PA 2.12.20 Warmup

Solve  3x - 7 = 32

• 13

• -13

• 12

• -12

3c + 5 = 23

• c = 3

• c = 6

• c = 7

• c = 18

Solve  3x - 7 = 32

• 13

• -13

• 12

• -12

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

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12

Solve.
8 = 2x - 12

• 10

• -2

• -8

• 18

15 = 2a + 7

• 2

• 4

• 12

• 14

Solve 2x - 3 = 1

• 3

• 2

• 1

• -2

-4x+1=21

• x=120

• x=5

• x=30

• x=-5

What is a 2-step problem?

• An equation where 2 steps are needed to solve it.

• An equation where only one step is needed to solve it.

• A problem with only one operation present.

• A problem where you find the square-root of a number.