joshganey joshganey

07-12-2019
Biology

contestada

7x – 3y = 20
y = 5x – 4
x =
y =

Respuesta :

Itsmiaa Itsmiaa

03-05-2021

Answer:

x=1.25

y=2.25

Explanation:

7x-3y=20 , you plug in y=5x-4 for why in the previous equation , then after distributing and adding/subtracting like terms you get x by itself then solve. After finding x go back into the equation and plug in x and solve for y.

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