piersonellis piersonellis

14-12-2020
Mathematics

contestada

solve for y when x=4

-y+5x=2(y+7x)

A. y=18
B. y=7
C. y=4
D. y=-12

Respuesta :

Аноним Аноним

14-12-2020

Answer:

D.) y=-12

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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