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1 vote
8x - 6y = -20
-16х +7 y = 30

User Gauravg
by
5.0k points

2 Answers

6 votes

Answer:

(-1,2)

Explanation:

multiply top equation by 2 and add them together as follows

16x-12y=-40

-16x+7y=30

-5y=-10

y=2

now replace y with 2 in the first equation and solve for x

8x-6(2)=-20

8x-12=-20

8x=-8

x=-1

User Heisian
by
6.3k points
0 votes

Answer:

8x - 6y = 20-16х +7 y = 30

Explanation:

User Yuhao Li
by
5.4k points