emmshalloxnzcj emmshalloxnzcj
  • 08-08-2018
  • Mathematics
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Solve the following system of equations
-3x+2y=8
6x-2y=-20

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denishin
denishin denishin
  • 08-08-2018
2 [-3x+2y=8]
6x-2y=-20

-6x + 4y = 16
6x - 2y = -20
2y = -4
y = -2

use the first eq (u can use any) then substitute the value of y

-3x + 2(-2) = 8
-3x -4 = 8
-3x = 12
x = -4

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