Question

x + 9 = 18
x - 1 = - 8
14 - 3 x = 2 x + 29
8 x - 9 = 2 x + 11
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Answer 1

Resposta:

A) x+9=18

x=18-9

x=9

B)x-1=-8

x=-8+1

x=-7

C) 14-3x=2x+29

-3x-2x=29-14

-5x=15.(-1)

5x=-15

x=-15/5

x=-3

d) 8x-2x=11+9

6x=20

x=20/6

Espero ter ajudado! :)