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Question

Solve for X and y
4x+y3=83
x2+3y4=52

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Solution

4x + y/3 = 8/3 (1)
x/2 + 3y/4 = -5/2 (2)

Multipliy (2)×8

4x+6y=20........(3)

Subtract (3)(1)

6yy3=2083
17y3=683
17y = -68
y = -4 ................... (4)

substitute (4) in (3)
4x+6×4=20
4x24=20
4x=20+24
4x=4
x=1

Hence, x=1,y=4


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