Question

Please answer each:

5 (6 + 3x) = -15

6(-6 + x) = 18

3 (-4x + 5) = -21

-7(10 + x) = -126

7 (-6 + x) = -14

3(-5 + 4x) = -51

Answer 1

1. 30 + 15x = 15

15x= 15 - 30

15x = -15

x = -1

2. -36 + 6x = 18

6x = 18 + 36

6x = 56

x = 56/6

x = 28/3

3. -12x + 15 = -21

-12x = -21 + 15

-12x = -6

x = 6/12

x = 1/2

4. -70 + 7x = -126

7x = -126 + 70

7x = -56

x = -56/7

x = -8

5. -42 + 7x = -14

7x = -14 + 42

7x = 28

x = 28/7

x =4

6. -15 + 12x = -51

12x = -51 + 15

12x = -36

x = -36/12

x = -3

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Answer 2

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