Intro to Solving Equations Opposite Operations

Choose the first step in solving the following equation.
-3y - 12 = 14

• add 3 from both sides

• add 12 to both sides

• subtract 12 from both sides

Tags

CCSS.7.EE.B.4A

Solve:
19  +  a  =  –40

• –950

• –59

• –31

• 2.6

Tags

CCSS.6.EE.B.7

Solve:
x – 8 = –5 

• 13

• –13

• 3

• –3

Tags

CCSS.6.EE.B.7

Solve:

• 20

• 7

• 10

• 3

Tags

CCSS.6.EE.B.7

Solve:
6b = 30

• –24

• 24

• 180

• 5

Tags

CCSS.6.EE.B.7

Solve:

• 152

• 176

• 5

• 27

Tags

CCSS.6.EE.B.7

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations

• math

• variable

• PEMDAS

Tags

CCSS.7.EE.B.4A

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides

• Add the 2a and a 

• Distribute 4 to a and -5

• Distribute -4 to a and -5

Tags

CCSS.8.EE.C.7B

-15 = 5a +12- 2a + 6

• -11

• -3

• 10

• 7

Tags

CCSS.8.EE.C.7B

4(a + 3) = -32

• -11

• -44

• -20

• -8

Tags

CCSS.7.EE.B.4A