tharris2029
tharris2029 tharris2029
  • 24-02-2021
  • Mathematics
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scoobym0m
scoobym0m scoobym0m
  • 24-02-2021

Step-by-step explanation:

-3x + 7y = 5x + 2y (you subtract the 2y from both sides)

-3× + 5y = 5x (then add 3x to both sides)

5y = 8x (use x = - 5)

5y = 8x - 5 = -40 (both sides are divided by 5)

y = -8

answer is (-5, -8)

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