400 - 5y + 16
220 ty + 6
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refer the attachment dear
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Answer:
4x-5y+16=0..........1
2x+y+6=0..............2
multiply equation 2 by 5
5*2x+5y+6*5=0
10x+5y+30=0......3
addition between equation 2 and 3
10x+5y+30=0
4x-5y+16=0
.......................
14x+46=0
14x=-46
x=-46/14
x=-26/7
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