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

3x+6y = 48

-5x+6y = 32

Subtract the bottom equation from the top equation in order to eliminate y. Note that 3x - - 5x is equal to + 8x:

8x = 16

Divide both sides by 8 to find the value of x:

x = 2

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

Therefore: x = 2 and y = 7

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15y ago

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