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Presumably this is a simultaneous equation question in the form of:

4x-y = 32

4x+5y = -16

Subtract the bottom equation from the top equation remembering that a -- is equal to a + so 32--16 is +40 and that -+5y-y is -6y:

-6y = 48

Divide both sides by -6 to find the value of y:

y = -8

Substitute the value of y into the original equations to find the value of x:

So: x = 6 and y = -8

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14y ago
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Q: 4x-y equals 32 4x plus 5y equals -16?
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