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Gala2k [10]
4 years ago
8

SOLVE THE SYSTEM OF EQUATIONS BY USING SUBSTITUTION.y = -x - 6y=x-4​

Mathematics
1 answer:
juin [17]4 years ago
7 0
Put X-4 to where Y is in the first equation. So;
X-4= -X-6
Then solve to find X;
Add 6 to both sides;
X+2=-X
Subtract X from both sides;
2=-X-X
2= -2X
Divide both side by -2;
-1=X
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