2-Step Equations

Front

What is a 2-step equation?

Back

A 2-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in a 2-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they are applied.

Front

Solve: 15 = 2a + 7

Back

a = 4

Front

Solve: -3x - 12 = 15

Back

x = -9

Front

Solve: 11b + 7 = 40

Back

b = 3

Front

Solve: 9 + 3x = 10

Back

x = 1/3

Front

Solve: 11 = 3z + 5

Back

z = 2

Front

What is the first step in solving a 2-step equation?

Back

The first step is to eliminate the constant term from one side of the equation.

Front

What is the second step in solving a 2-step equation?

Back

The second step is to divide or multiply to isolate the variable.

Front

What does it mean to 'balance' an equation?

Back

Balancing an equation means keeping both sides equal by performing the same operation on both sides.