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

Front

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

Back

To isolate a variable, perform the inverse operations in reverse order: first eliminate the constant term (add or subtract), then eliminate the coefficient of the variable (multiply or divide).

Front

Back

x = 165

Front

Solve the equation: 7x = 4x + 33

Back

x = 11

Front

Solve the equation: 2x - 3 = 1

Back

x = 2

Front

Solve the equation: -7x - 36 = 20 - 3x

Back

x = -14

Front

Back

Subtract 12 from both sides.

Front

What does it mean to 'balance' an equation?

Back

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

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.