Equations

The objective when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides

• Subtract 11 from both sides

• Add 11 to both sides

• Divide 3 on both sides.

6z + 3 -4z = 9

• z = 3

• z = 60

• z = 30

• z = 1

11b+7=40

• 2

• 1

• 4

• 3

Inverse of
multiplication

• division

• subtraction

• multiplication

• equals

4 = 2(x + 3)

• 1/2

• 7/2

• -1

• 5

c/2 =  -14

• c = -7

• c = -7

• c = -28

• c =  28

3(1-3x)=2(-4x+7)

• 11

• -11

• -20

• 20

38+7k=8(k+4)

• 6

• 8

• -6

• 1

-10+x+4-5=7x-5

• 1

• 31

• -31

• -1