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Question

Solve the pair of equation 2x+3y=0,3x8y=2 by substitution method.

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Solution

2x+3y=0x=3y2

Put value of x in 3x+8y=2

3×3y2+8y=2

3y2+22y=2

3y+4y2=2

y=22

Put y=22 in x=3y2

x=3×222=23

x=23,y=22

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