Solving one and two step equations

Front

What is a one-step equation?

Back

An equation that can be solved in one operation, such as addition, subtraction, multiplication, or division.

Front

What is a two-step equation?

Back

An equation that requires two operations to solve for the variable.

Front

Solve for d: 2d + 7 = 9

Back

d = 1

Front

Solve for y: y - 7 = 10

Back

y = 17

Front

Solve for b: 2b = -16

Back

b = -8

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 first step in solving the equation 8 - 5b = -7?

Back

Subtract 8 from both sides to get -5b = -15.

Front

What is the solution to the equation 21 = 5 - r?

Back

r = -16.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.