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Presentation transcript:

Copy the following and solve: 8÷4 X 9 + [-7- (53+9) + 6] X 32

1. 6r + 7 = 13 + 7r r = -6

2. 13 - 4x = 1 - x x = 4

3. -7x – 3x + 2= -8x - 8 x = 5

4. -14 + 6b + 7 – 2b= 1 + 5b b = -8

5. n – 3n = 14 – 4n n = 7

6. 5 + 2x = 2x + 6 No Solution

7. -31 – 4x = -5 – 5(1 + 5x) x = 1

Infinite Solutions (Identity) 8. 8x + 4(4x – 3) = 4(6x - 4) + 4 Infinite Solutions (Identity)

9. -6n – 20 = -2n + 4(1 – 3n) n = 3

5 6 1 2 2 3 10. x + = x + 4 x = 21

11. The number of girls in the band is 6 more than twice the number of boys. There are 88 girls in the band. How many boys are there? 2b + 6 = 88 b = 41

2x + 4 = 3x – 4 4 x = 2