Two-Step Equations

Two-Step Equations

Using Inverse Operations

What two operations are we using in this problem?

(Dividing and Adding)

Our first step is to SUBTRACT 7!!

(SADMEP--Subtract comes before Multiply)

Our second step is to MULTIPLY by 5!!

(Always do the same to BOTH sides)

Our answer is 50!!

Multiple Choice

Let's try this one together:

-3m = -18

• 6

• -6

• 4

Multiple Choice

What two operations are we using in this problem?

Let's solve using inverse operations:

10 - 6v = -104

• 19

• -19

• 18

Multiple Choice

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

Multiple Choice

2 (n + 5) = -2 The first step in solving the following equation is ____________

• add five to both sides

• distribute 2 to all terms in the parenthesis

• add 2

Multiple Choice

-9x + 1 = -80

• -9

• 9

• 6

Multiple Choice

-6 + x/4 = -5

• 5

• 3

• 4

Multiple Choice

8 + b/-4 = 5

• 12

• -12

• 6

Multiple Choice

-9x-13= -103

• 15

• 10

• 12

Multiple Choice

-15 = -4m + 5

• 4

• 7

• 5

Multiple Choice

9x -7 = -7

• 4

• 0

• 5

Multiple Choice

2x - 8 = 6

• 3

• 8

• 7

Multiple Choice

144 = -12(x+ 5)

• -7

• -17

• 14

Multiple Choice

m/9 - 1 = -2

• 6

• 9

• -9

Multiple Choice

7(9 + K)= 84

k =____________

• 3

• -3

• 5

Multiple Choice

6 = a/4 + 2

• 16

• 15

• 14