One Step Equations

Solve: x + 8 = 8

• x= 16

• X=64

• x=6

• x=0

The goal of solving an equation is to

• An equation is a math sentence that contains what

• subtract 5 from both sides

• find the value of the variable

• subtract two from both sides

t + 4 = -2

• t = -2

• t = 6

• t = -6

• t = 2

first step to solve: x + 22 = 17 is ...

• addition

• subtract 22 from both sides

• + 17 to both sides

• subtract two from both sides

y - 15 = 14

• y = 15

• minus 4 from both sides and get -19

• add 15 to both sides and get y = 19

• y = 11

4x = 16

• "undo" each other!

• 4 = x

• /5 on both sides

• x = 6

inverse of multiplication

• addition or subtraction

• subtract 5 from both sides

• find the value of the variable

• division

first step to solve: x - 5 = 7

• subtract 5 from both sides

• subtract 7 minus 5

• add 5 to both sides

• add 5 to 7

Solve for x: x/3 = 9

• 3

• 9

• 1/3

• 27

First step for: b - 21 = 19

• subtract twelve from both sides

• add two to both sides

• • + 21 to both sides

• multiplication or division