Solving 1 Step Equations (Add/Subtract)

X - 2 = 9

X = ?

• 7

• 9

• 11

• 5

• 12

• 10

• 6

• 2

X + 5 = 5

X = ?

• 1

• 2

• 0

• 3

X - 3 = 8

X = ?

• 5

• 6

• 7

• 11

What is the inverse (opposite) of division?

• addition

• subtraction

• multiplication

• division

What is the inverse (opposite) of addition?

• addition

• subtraction

• multiplication

• division

How do we solve an algebraic equation?

• We do the opposite operation on BOTH sides of the equation.

• We do the same operation on both sides of the equation.

• We do the opposite operation on only 1 side of the equation.

• We don't.

What needs to be done to solve this equation?

z - 5 = 20

• subtract both sides by 5.

• add five to both sides.

• cross out the 5.

• add five on the left side of the equation.

What is the inverse (opposite) of subtraction?

• addition

• multiplication

• subraction

• division

What is the inverse (opposite) of multiplication?

• addition

• multiplication

• subraction

• division