Combing Like Terms
Quiz Tomorrow
Multi-step equations
Mix
100

What is (x+ x) + 17 = 43?

2x + 17 = 43

2x + 17 - 17 = 43 -17

2x = 26

2x / 2= 26 /2

x=13


100

2(x-4) + 6= 20

x = 11

100

4x + 3x - 13 = 2x + 2?


4x + 3x - 13 = 2x + 2

-2x + 4x + 3x - 13 = 2

5x = 15

x = 3

100

5x + 2 - 3 + x = 11

5x + 2 - 3 + x = 11

6x - 1 = 11

6x = 12

x = 2

200

Combine like terms: 3-2x+6x

3 + 4x

200

3x + 7(x - 2) = 16

 x = 3

200

What is 9n-5n - 6 = 5n-5n + 18?

9n-5n - 6 = 5n-5n + 18

4n-6 +6 = 18 +6

4n= 24

n= 6

200

5x=15

x = 3
300

Combine like terms

 3x + 14x + 2 + x 


17x + 2 + x 

18x + 2 

300

4x + 3x - 12x + 5 = 20

x = -3

300

5x+2 - 3 = 7

5x + 2 - 3 = 7

5x - 1 = 7

5x = 8

x = 8/5

300

What is the order of operations?

PEMDAS

400

 4x -2x + 8 +3x -1


5x+7

400

2y - (y + 7)= 28

y = 35

400

Multistep Equations: -8x -3x+ x= 33+ 2x

-8x - 3x + x = 33 + 2x

-2x -8x - 3x + 2x = 33

-11x = 33

x = -3

400

10x - 8x - 4 = 8x - 2x + 8

10x - 8x - 4 = 8x - 2x + 8

2x - 4 = 6x + 8

-4x - 4 = 8

-4x = 12

x = -3

500

 7q + 5q - 4 + 3 


12q - 1 

500

(2/3)x - 6 = -2

(2/3)x - 6 = -2

(2/3)x = -8

2x = -24

x = -12

500

What grade do you think you'll earn on the quiz tomorrow and why?

100!

500

2x + 10  - 7 = 3x - 6

2x + 10  - 7 = 3x - 6

2x + 3 = 3x - 6

-x + 3 = -6

-x = -3

x = 3

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