Solving 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 inverse operations in the reverse order of operations.

Front

Solve for d: 5d - 6 = 9

Back

d = 3

Front

Solve for n: 3n + 4 = 7

Back

n = 1

Front

Solve for z: 0 = 8z + 8

Back

z = -1

Front

Solve for s: 9 = 2s + 1

Back

s = 4

Front

Solve for c: 4c - 6 = 2

Back

c = 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 check your solution in an equation?

Back

To check your solution, substitute the value back into the original equation to verify it holds true.