Question

f) 4 x - 7 = 8 x - 2


g) 2 x + 1 = 4 x - 7


h) 9 x + 1 = 4 x - 7


i) 1 6 x - 1 = 12 x + 3


j) 3 x - 2 = 4 x + 9
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Answer 1

Resposta:

f) 4 x - 7 = 8 x - 2 -> 4x = 5 -> x = 5/4  

g) 2 x + 1 = 4 x - 7 -> 2x = 8 - >  x = 4

h) 9 x + 1 = 4 x - 7 -> 5x = -8 -> x = -8/5

i) 1 6 x - 1 = 12 x + 3 -> 4x = 4 -> x = 1

j) 3 x - 2 = 4 x + 9 -> x = -11

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