We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 45-9=36\)

\(\displaystyle 45-10=35\)

\(\displaystyle {\color{Teal} 45-11=34}\)

\(\displaystyle 45-12=33\)

\(\displaystyle 45-13=32\)

Because we are looking for the number that when subtracted from \(\displaystyle 45\) equals \(\displaystyle 34\), our correct answer is \(\displaystyle 11\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 83-59=24\)

\(\displaystyle 83-58=25\)

\(\displaystyle {\color{Teal} 83-57=26}\)

\(\displaystyle 83-56=27\)

\(\displaystyle 83-55=28\)

Because we are looking for the number that when subtracted from \(\displaystyle 83\) equals \(\displaystyle 26\), our correct answer is \(\displaystyle 57\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 65-35=30\)

\(\displaystyle 65-34=31\)

\(\displaystyle {\color{Teal} 65-36=29}\)

\(\displaystyle 65-37=28\)

\(\displaystyle 65-38=27\)

Because we are looking for the number that when subtracted from \(\displaystyle 65\) equals \(\displaystyle 29\), our correct answer is \(\displaystyle 36\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 99-52=47\)

\(\displaystyle 99-53=46\)

\(\displaystyle {\color{Teal} 99-51=48}\)

\(\displaystyle 99-54=45\)

\(\displaystyle 99-55=44\)

Because we are looking for the number that when subtracted from \(\displaystyle 99\) equals \(\displaystyle 48\), our correct answer is \(\displaystyle 51\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 85-27=58\)

\(\displaystyle 85-26=59\)

\(\displaystyle {\color{Teal} 85-32=53}\)

\(\displaystyle 85-29=56\)

\(\displaystyle 85-28=57\)

Because we are looking for the number that when subtracted from \(\displaystyle 85\) equals \(\displaystyle 53\), our correct answer is \(\displaystyle 32\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 89-27=62\)

\(\displaystyle 89-28=61\)

\(\displaystyle {\color{Teal} 89-24=65}\)

\(\displaystyle 89-25=64\)

\(\displaystyle 89-26=63\)

Because we are looking for the number that when subtracted from \(\displaystyle 89\) equals \(\displaystyle 65\), our correct answer is \(\displaystyle 24\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 79-7=72\)

\(\displaystyle 79-6=73\)

\(\displaystyle {\color{Teal} 79-5=74}\)

\(\displaystyle 79-4=75\)

\(\displaystyle 79-8=71\)

Because we are looking for the number that when subtracted from \(\displaystyle 79\) equals \(\displaystyle 74\), our correct answer is \(\displaystyle 5\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 82-61=21\)

\(\displaystyle 82-65=17\)

\(\displaystyle {\color{Teal} 82-62=20}\)

\(\displaystyle 82-63=19\)

\(\displaystyle 82-64=18\)

Because we are looking for the number that when subtracted from \(\displaystyle 82\) equals \(\displaystyle 20\), our correct answer is \(\displaystyle 62\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 54-38=16\)

\(\displaystyle 54-39=15\)

\(\displaystyle {\color{Teal} 54-40=14}\)

\(\displaystyle 54-37=17\)

\(\displaystyle 54-36=18\)

Because we are looking for the number that when subtracted from \(\displaystyle 54\) equals \(\displaystyle 14\), our correct answer is \(\displaystyle 40\)

We can use substitution to determine the value of \(\displaystyle x\). 

\(\displaystyle 94-41=53\)

\(\displaystyle 94-42=52\)

\(\displaystyle {\color{Teal} 94-40=54}\)

\(\displaystyle 94-43=51\)

\(\displaystyle 94-44=50\)

Because we are looking for the number that when subtracted from \(\displaystyle 94\) equals \(\displaystyle 54\), our correct answer is \(\displaystyle 40\)