Question

X. 6+x=x-42=
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Answer 1

Explicação passo-a-passo:

6x + x = x - 42

7x = x - 42

7x - x = -42

6x = -42

x = -42/6

x = -7

Answer 2

$X \times 6+x=x-42= \\ 6x = - 42 \\ x = - 7$