2 years ago

Solve the system of equations 2x + y = -1.5 y = 3.50 + 15

1 answer:

6 0

So first y = 3.50 + 15 = 18.5
Next 2x + y = -1.5
2x = -1.5 -y
2x = -1.5 - 18.5 = -20
x = -20/2 = -10
So
x = -10
y = 18.5

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