Solve 2x+y=11 and x+y=8
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2x+y=11 equation 1
x+y=8 equation 2
By subtracting equation 1 from equation 2
2x+y=11
x+y=8
- - -
x=3
By putting value of x in equation 2
x+y=8
3+y=8
y=8-3=5
Hence,x=3 and y=5
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