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Mathematics
2 July, 02:33
What is 8x-3y=-16,5x+2y=-41
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Sarahi Walls
2 July, 02:42
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I'm assuminng you want to find x and y
eliminate
hmm
eliminate y's
3 times 2=6
multiply first equation by 2 and 2nd by 3 and add
16x-6y=-32
15x+6y=-123 +
31x+0y=155
31x=155
divide both sides by 31
x=5
sub back
5x+2y=-41
5 (5) + 2y=-41
25+2y=-41
minus 25 both sides
2y=-66
divide by 2
y=-33
(x, y)
(5,-33)
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