2 step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

Solve: 9 + 3x = 10

Back

x = 1/3

Front

What is the first step to solve the equation 2x - 4 = 10?

Back

Add 4 to both sides of the equation.

Front

Solve: 2x - 4 = 10

Back

x = 7

Front

What is the purpose of isolating the variable in an equation?

Back

To find the value of the variable that makes the equation true.

Front

Solve: 8r - 14 = 42

Back

r = 7

Front

What do you do first when solving the equation 4x + 7 = 23?

Back

Subtract 7 from both sides of the equation.

Front

Solve: 4x + 7 = 23

Back

x = 4

Front

What is the solution to the equation 3x + 5 = 4?

Back

x = -1/3

Front

What does it mean to check your solution in an equation?

Back

To substitute the solution back into the original equation to verify it is correct.