Two 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

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

Back

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

Front

Solve: 7 + a/3 = 5

Back

a = -6

Front

Solve: -3x - 12 = 15

Back

x = -9

Front

Solve: x/5 - 13 = 20

Back

x = 165

Front

Solve: 2s - 4 = 6

Back

s = 5

Front

Solve: 11 = 3z + 5

Back

z = 2

Front

What is the first step to solve the equation 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8.

Front

What is the second step to solve the equation 2x = 8?

Back

Divide both sides by 2 to get x = 4.

Front

What does it mean to 'balance' an equation?

Back

Balancing an equation means performing the same operation on both sides to maintain equality.