Question

-(5x-7) = -7(4x-7)


2(m-4)=11(-5m-m)


1(2-x)=-1(5x-2)


-2(4y-2)=2(15-2y)

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Answer 1

Respuesta:

$x = \frac{42}{23} \\ m = \frac{2}{17} \\ x = \frac{0}{ - 4} nts \\ y = \frac{ - 13}{2}$