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| 1. |
X+y=2 (equation 1) 2x-y=1 (equation 2) by cross multiplication method |
| Answer» In eq 1x+y=2x=2-ySimilarly in eq 2x= (1+y)/2Therefore2-y=(1+y)/24-2y=1+yCross multiplication.....3y=3y=1Thereforex=2-yx=2-1x=1y=1---------------------------------Hope it helps... | |