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Multi-Step Equations
Multi-Step Equations w/ Variables on Both Sides
Two-Step Equations
Q & A
One-Step Equations
100

Solving Equations

4x + 3 = 7

x = 1

100

Solving Equations

5n - 2 = 8n - 14

n = 4

100

6x – 13 = 11

x= 4

100

Which subject and periods did Mr. Roy teach?

Math 9 Period 4 & 5

100

4 = -8 + x

x= 12

200

Solving Equations

4(6 + 5x) = 124

x = 5

200

Solving Equations

-4(-8p + 1) = -4 - 8p

p = 0

200

3x + 5 = 14

x= 3

200

What is the goal of solving equations?

Get "x" by itself

200

x + 12 = 0

x= -12

300

Solving Equations

-108 = -8(x + 6) - 4

x = 7

300

Solving Equations

6(6n - 2) = 8n - 40

n = -1

300

(x/2) +10=-8

x= -36

300

What is the first thing that we need to do when solving the equations with brackets?

Remove brackets.

300

3 = -2 – x

x= -5

400

Solving Equations

172 = 5(4a + 6) + 2

a=7

400

Solving Equations

5x + 5 + 4x = 4 - 3x + 6

x= 5/12    or    x= 0.41667

400

(x/2)-4=10

x= 28

400

How to Check the solutions by yourself?

Plug the solution into the original equation.

400

5x = -80

x= 16

500

Solving Equations

-93 = 7(-3k - 8) + 5

k = 2

500

Solving Equations

-5(8n - 4) - n = - 16 - 5n

n = 1

500

(x/3)+12=-3

x= -45

500

What is Mr. Roy's most common catchphrase?

Okay!

500

16 = x/2

x= 32