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-7x - 2y = -13 × - 2y = 11
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3 votes
-7x - 2y = -13
× - 2y = 11

User Accuya
by
7.4k points

1 Answer

6 votes
From second: x = 11+2y, now replace it in the first one:
-7(11+2y)-2y=-13
-77-14y-2y=-13
-16y=-13+77
-16y=64
y=64/(-13)
y=-4.92

x-2*(-4.92) = 11
x+9.84=11
x=11-9.84
x=1.16
User Jkff
by
8.0k points
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