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22-01-2020
Mathematics

contestada

Solve the system using elimination.
9x - 7y = 3
x-7y = -37

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22-01-2020

Answer:

X=5

Y=6

Step-by-step explanation:

9x-7y=3

x-7y=-37 |(-1)

9x-7y=3

-x+7y=37 +

________

8x=40

X=5

X=5

x-7y=-37

5-7y=-37

-7y=-42 |(-1)

7y=42

y=6

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