One & Two-Step Equations

Front

What is a one-step equation?

Back

An equation that can be solved in one step, typically by performing a single operation (addition, subtraction, multiplication, or division) to isolate the variable.

Front

What is a two-step equation?

Back

An equation that requires two steps to solve, usually involving two operations to isolate the variable.

Front

Solve for z: -5z + 5 = -30

Back

z = 7

Front

Solve for b: 4 + b = 30

Back

b = 26

Front

Solve for a: 19 + a = -50

Back

a = -69

Front

What is the first step to solve 4x + 7 = 35?

Back

Subtract 7 from both sides.

Front

Solve for a: -3a + 8 = 14

Back

a = -2

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other side.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.