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 SHEET Be prepared to explain your answer if you are called on. Page 16 of your INB
Jan 29, 2016
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