Question

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Answer 1

Explicación paso a paso:

1) x+15 = 27

x = 27 - 15

x = 12

2). 2x+5 = 27

2x. = 27 - 5

2x = 22

x = 22/2

x = 11

3) 2x + 8 = 32

2x = 32 - 8

x = 24 /2

x = 12