3 years ago

Whats the solution to the given system of equations? -5x+8y=-36 5x+7y=6

Mathematics

1 answer:

AleksandrR [38]3 years ago

4 0

Answer:

x=4, y=-2

Step-by-step explanation:

-5x+8y=-36

5x+7y=6

eqn 1+ eqn 2 gives

15y=-30

divide both sides by 15

y=-2, put in eqn 2

5x+7(-2)=6

5x=20 divide both sides by 5

x=4

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