2 years ago

2х - Зу = 32 x + 4у = -20 solve the system of equations

1 answer:

5 0

Answer: x=68/11 and y=-72/11

Steps:

2(x+4y=-20)

2x+8y=-40

2x - 3y = 32
- 2x + 8y = -40

-11y=72

y=-72/11

x + 4(-72/11) = -20

x - 288/11 = -20

x=68/11

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