briannamdean briannamdean

11-09-2020
Mathematics

contestada

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

Respuesta :

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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