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Asked by Keyshawna

2x-y=-6
-4x+2y=-9

use substitution
17 years ago

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Answered by bobpursley
from the first, y=2x+6

then
-4x+2(2x+6)=-9
and solve for x.
17 years ago
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2x-y=-6
-4x+2y=-9

use substitution

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