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8x+8y=64/7 -8x+y=-10/7 ???

8x+8y=64/7 -8x+y=-10/7 ???
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2 votes
8x+8y=64/7
-8x+y=-10/7
???

User Sindre Sorhus
by
8.8k points

1 Answer

5 votes

Solving by elimination method:


8x + 8y = 64/7

-8x + y = -10/7

----------------------

0x + 9y = 54/7

y = (54/7) * (1/9)

y = 6/7


-8x + y = -10/7

-8x = -10/7 - 6/7

-8x = -16/7

x = (16/7) * (1/8)

x = 2/7


Solution: (2/7, 6/7)

User Fran Cerezo
by
8.0k points
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