All Pre-Algebra Resources
Example Questions
Example Question #32 : Evaluate Expressions: Ccss.Math.Content.6.Ee.A.2c
Solve for .
Add 2x to each side to get all variables on one side:
Example Question #31 : One Step Equations
Solve for .
To isolate the variable "s" from the expression 32s, divide both sides of the equation by 32. 128/32=4, so s=4
Example Question #32 : One Step Equations
Solve for .
Add 3625 to each side to isolate y. This gives you the answer 5024
Example Question #33 : One Step Equations
Solve:
To solve for , multiply ten on both sides of the equation to eliminate the denominator.
Example Question #34 : One Step Equations
solve for :
None of the other answers.
To solve for x you simply isolate it on one side of the equation. To do this, apply the opposite operations to manipulate the equation.
Subtract 15 from both sides:
The red terms canceled.
We just subtract as normal on the right side.
Example Question #35 : One Step Equations
Solve:
In order to solve the equation, we have to isolate the variable. We do this by performing the same operation to either side of the equation.
To eliminate the fraction, multiply both sides by eight to cancel the denominator.
Example Question #38 : Evaluate Expressions: Ccss.Math.Content.6.Ee.A.2c
Solve:
In order to solve the equation, we have to isolate the variable. We do this by performing the same operation to either side of the equation.
Divide both sides by negative two.
Simplify. A double negative will eliminate each other when dividing.
Example Question #38 : Evaluate Expressions: Ccss.Math.Content.6.Ee.A.2c
Solve for :
In order to solve the equation, we have to isolate the variable. We do this by performing the same operation to either side of the equation.
To determine what the unknown variable is in this particular equation, add on both sides of the equation.
Example Question #36 : One Step Equations
Solve:
To isolate the variable, divide both sides of the equation by nine.
Example Question #37 : One Step Equations
Solve:
In order to solve the equation, we have to isolate the variable. We do this by performing the same operation to either side of the equation.
To isolate the unknown variable, add six on both sides.
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