briannamdean briannamdean
  • 11-09-2020
  • Mathematics
contestada

Solve the system of equations.
5x – 7y = 58
y = -x + 2

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firaolabera991
firaolabera991 firaolabera991
  • 11-09-2020

5x-7y=58

y=-x+2

  • 5x-7(-x+2)=58
  • 5x+7x-14=58
  • 12x-14=58
  • 12x=58+14
  • 12x=72
  • x=6

5x-7y=58

5(6)-7y=58

30-7y=58

-7y=58-30

-7y=28

y= -4

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