Solving One-Variable Equations

Front

Solve the following equation: 0.5(2x + 14) = 10

Back

x = 3

Front

Solve the following equation: 2(3x + 1) = 26

Back

x = 4

Front

Solve the following equation: 4x + 15 = 31

Back

x = 4

Front

Solve the following equation: x - 4 = 8

Back

x = 12

Front

Solve the following equation: x + 18 = 20

Back

x = 2

Front

What is a one-variable equation?

Back

An equation that contains only one variable, such as x, and can be solved to find the value of that variable.

Front

What does it mean to isolate the variable in an equation?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the first step in solving the equation x + 5 = 12?

Back

Subtract 5 from both sides to isolate x.

Front

What is the solution to the equation 3x = 12?

Back

x = 4

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.