Solve using substitutuon6x+7y=8. y=-2x

Mathematics

1 answer:

belka [17]2 years ago

4 0

You plug in 2x in the equation for y. Since y =2x. 6x+7(2x)=8 6x+14x=8. 20x=8. X=8/20. X=2/5. Is your final answer

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