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3 years ago

15

Solve this plz

2 answers:

Zarrin [17]3 years ago

8 0

Answer:

a. 9x + 36 = 27

9x = -9

x = -1

b. x/3 - 5 = 6

x/3 = 11

x = 33

c. 15 + 3x - 21 = -30

3x - 6 = -30

3x = -24

x = -8

Step-by-step explanation:

frozen [14]3 years ago

5 0

A) 9(x + 4) = 27

9x + 36 = 27

9x = 27 - 36

9x = -9

x = -9 ÷ 9

x = -1

B) x/3 - 5 = 6

x/3 = 6 + 5

x/3 = 11

x = 11 × 3

x = 33

C) 15 + 3 ( x -7 ) = -30

15 + 3x - 21 = -30

3x + 15 - 21 = -30

3x - 6 = -30

3x = -30 + 6

3x = -24

x = -24 ÷ 3

x = -8

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