ISEE Middle Level Math : Equations

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #547 : Algebraic Concepts

Solve the following equations when .

Possible Answers:

Correct answer:

Explanation:

The first step to solve this equation is to plug in your know variable  with the value given, .  

Now you have an expression that reads  and we now solve for .  

First you must move the constant  by adding  to both sides resulting in, 

.  

The last step is to divide both sides by  resulting in,

.

Example Question #541 : Algebraic Concepts

Solve for  when 

Possible Answers:

Correct answer:

Explanation:

The first is to plug in the  value given in the problem leaving us with,

 .  

The next step is to complete the division which is 

.  

Then you add the constant and that gives you an answer of,

 .

Example Question #549 : Algebraic Concepts

Solve for :

Possible Answers:

Correct answer:

Explanation:

This is a two-step equation.  The first step is to isolate the variable.  Subtract 2.3 from both sides of the equation:

Divide both sides of the equation by the coefficient which is 9:

Example Question #550 : Algebraic Concepts

Possible Answers:

Correct answer:

Explanation:

To isolate the variable, subtract 3 from both sides of the equation:

Multiply both sides of the equation by the reciprocal of  which is 

 

Example Question #2661 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Find the solution to the following equation when .

Possible Answers:

Correct answer:

Explanation:

Find the solution to the following equation when .

To solve this equation, we should plug in 6 wherever there is a t, and simplify.

So, our answer when t=6 is 0.

Example Question #341 : How To Find The Solution To An Equation

Find b when , and 

.

Possible Answers:

Correct answer:

Explanation:

Find b when , and 

To find b, we want to plug in f and c and simplify:

So our answer is

Example Question #551 : Algebraic Concepts

Solve:

Possible Answers:

Correct answer:

Explanation:

To solve, first solve the exponents:

Then solve the equation:

Answer:

Example Question #552 : Algebraic Concepts

Solve:

Possible Answers:

Correct answer:

Explanation:

To solve, first solve the exponents:

Then solve the equation:

Answer:

Example Question #553 : Algebraic Concepts

Solve for :

Possible Answers:

Correct answer:

Explanation:

To solve, divide each side by 13:

Answer:

Example Question #554 : Algebraic Concepts

Solve for :

Possible Answers:

Correct answer:

Explanation:

To solve, divide each side by :

Answer:

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