x+y=137 and x-y=43 find xand y graphically
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X=90 y=37
Step-by-step explanation:
x+y=137 +x-y=43
=2x=137+43=180
=90
X=90
90+y=137
y=137-90=47
Now solving it graphilly express y in terms of X
y=137-x, y=x-43 apply any value of X and get value of y
take the. No.s on graph at interval of 10 and mark the points
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