jdolan8 jdolan8

02-03-2020
Mathematics

contestada

Solve the system below algebraically:
4x-y=20
-2x-2y=10

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pezgrl78 pezgrl78

02-03-2020

X= 3
Y= -8

Solve the 1st equation for y.
With your new Y value, plug it into the 2nd equation (for y).

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