6x+5y=4 6x-7y=-20 ELIMINATION please help

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Bruno Guerra asked Apr 6, 2023

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39 votes

6x+5y=4
6x-7y=-20
ELIMINATION please help

Mathematics
high-school

Bruno Guerra asked Apr 6, 2023

by Bruno Guerra

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1 Answer

17 votes

Answer:

y=2, x=-1

Explanation:

(-1)(6x-7y=-20)

-6x+7y=20

so now you can eliminate one term

6x+5y=4

-6x+7y=20

12y=24

y=2

plug y back into one equation to find x

6x+5(2)=4

6x+10=4

6x=-6

x=-1

Trenise answered Apr 11, 2023

by Trenise

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