Subtract the following equations
4x+ 3y=10
3x+4y =11
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Answer:
4x + 3y = 10 ———————(1)
3x + 4y = 11 ———————(2)
by equation (2) - (1)
3x + 4y = 11
- (+) 4x (+) 3y = (+) 10
- - -
———————————
x - y = -1
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