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Question

Solve for x and y:
4(x2)3(y3)=1
6(x2)+7(y3)=5

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Solution

4(x2)3(y3)=1
4x83y+9=1
4x3y=0
6(x2)+7(y3)=5
6x12+7y21=5
6x+7y=38
4x3y=0×3 12x9y=0
6x+7y=38×2 12x+14y=76
(-) (-) (-)
23y=76
y=7623
4x3y=0
4x=3(7623)
x=22892
x=5723

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