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

User Ahmad Bawaneh
by
3.4k points

1 Answer

2 votes
X= 3
Y= -8

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

Take a look at pic.
User Cool Guy Yo
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