4x + y =6 -5x - y = 21 - QAmmunity.org

asked Jul 12, 2020 161k views

1 vote

4x + y =6
-5x - y = 21

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2 votes

Answer:

Explanation:

Adding equation 1 and 2 we have

-x=27

Therefore x= -27

Substituting the value of x into equation 2 we have

-108+y = 6

y = 114

Fnord answered Jul 19, 2020

by Fnord

4.4k points

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