Question

a)8x-2=4x-7

b)9x-9=3x+15

c)17x-7x=x+18

*ME AJUDAAA*
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Answer 1

Resposta:

a)8x-2=4x-7

8x - 4x = - 7 + 2 -----> 4x = - 5 -----> x = -5/4

b)9x-9=3x+15

9x - 3x = 15 + 9 -----> 6x = 24 -----> x = 24/6 -----> x = 4

c)17x-7x=x+18

17x - 7x - x = 18 -----> 9x = 18 -----> x = 18/9 -----> x = 2