How do you solve 4x+3y=−7 and 5x−2y=−26?
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Hiiu..
By elimination method..
4x+3y=-7
5x-2y=-26
Multiply by 5 in equn (i) & 4 in equn (ii)
20x+15y=-35
20x-8y=-104
on subtracting (ii) from (i)
23y= 69
y=3
put y = 3 in (i)
4x+3(3)=-7
4x = -7-9
4x = -16
x = -4
...!!...
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mahi577:
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