Solve Equations like…- 2(6 – 3m) = - 17 + 6m

i-can

Write in words the steps to solve this equation:

r + 31 =−2(6r + 4)

Write down this problem on your

READY RECALL SHEETBe prepared to explain your answer

if you are called on.

Page 16 of your INB

Unit 1: Linear EquationsThis chapter will include some review from last year. Mostly, we will be solving equations – lots of equations!

1.5 Special Case Solutions

i-can

Get into your 4-Square Groups

Solve Equations like… - 2(6 – 3m) = - 17 + 6m

Page 16-17 of your INB

Follow the Instructions on your Worksheet

What are your answers for …

Is it ok if we have different answers?

What are your answers for …

Are there any other possible answers?

What are your answers for …

x + 2 = x - 8Is this possible?

INTERACTIVE NOTEBOOK TIME

Only One Number Works All numbers can work.No possible number can work.

4x = 2x + 6 1x + 10 = 1x + 20 1x + 4 = 1x + 4-2x -2x2x = 6

x = 3

Only one possible answer

-1x -1x10 = 20

-1x -1x4 = 4

*All variables areeliminated

*All variables areeliminated

No Solution, the scaleis not balanced.

Infinite Solutions,the scale is balanced

with any x.

6 1020 4 4

33

YOU TRY IT!

1. 4 – 2(x - 7) = -2x + 18

2. 5(x – 3) – 3x = -16 + 2x

3. -m + 8 = 8(1 – 5m) - 4m

4. -7x + 7 = -6x + 3(5x - 3)

Solve:

Solve Equations like…- 2(6 – 3m) = - 17 + 6m

Let’s go back to our “I can” statement and solve it with our new skills.

Worksheet1.5

Equations withInfinite andNo Solutions