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. It typically involves addition or subtraction followed by multiplication or division.

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. First, eliminate any constant added or subtracted from the variable, then divide or multiply to solve for the variable.

Front

Solve for y: 4y + 1 = 13

Back

y = 3

Front

Back

x = 21

Front

Back

x = 168

Front

Solve for c: 3c + 5 = 23

Back

c = 6

Front

Solve for s: 9 = 2s + 1

Back

s = 4

Front

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

Back

Subtract 3 from both sides to isolate the term with the variable.

Front

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

Back

Checking your solution means substituting the found value back into the original equation to verify that both sides are equal.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.