3x-y = - 2; 3x+4y=-7
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3x-y=-2. equation 1
3x+4y=-7. equation 2
Adding equation 1 and 2
3x-y=-2
+ 3x+4y=-7
=6x+3y=-9
pikachu1505:
wrong
incomplete
u can't simply add the equation
absolutely wrong
I am in. class 8
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Hope it helps.............mm
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