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Solve Graphically : 2x+2y-3=0 and x+2y+1=0 THANKS! |
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Answer» = 3 – (1)X + 2Y = -1 – (2)Multiply b/s of (2) by 2 and subtract from (1), we get2x + 2y - 2X - 4y = 3 + 2-2y = 5Y = -5/2Put the value of y in (2), we getx + 2(-5/2) = -1x - 5 = -1x = 4 |
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