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10-09-2018
Mathematics

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6x-4y=-14
-3x-3y=12

with the elimination method

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Kflint12 Kflint12

10-09-2018

6x-4y=-14
2(-3x-3y=12)

6x-4y=-14
-6x-6y=24

-10y=10
Divide both sides by 10
-1y=1 divide by -1
y=-1

6x-4(-1)=-14
6x+4=-14
-4 -4
6x=-18
Divide both sides by 6
x=-3

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