taylennickerson taylennickerson

11-12-2020
Mathematics

contestada

given the equations y-3x=8 and 3x=2y+7 what would you substitute for Y in the equation 3x=2y+7

A.8-3x

B.8/3×

C.8+3x

D.8(3x)

helppppp pleaseeeeee fastttt

Respuesta :

joshuakruben joshuakruben

11-12-2020

Answer:

8+3x

Step-by-step explanation:

Look at the first equation. If you add 3x to both sides of the equation, it becomes y-3x+3x=8+3x. Y-3x+3x is the same thing as just y, so the equation is really saying y=8+3x. Replace y in the other equation with 8+3x.

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