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patriot [66]
3 years ago
15

Systems of equations pls help!

Mathematics
1 answer:
timama [110]3 years ago
8 0
Equation 1 + equation 2

3x-8y +(-3x+10y) = 9+(-15)
2y= -6
then y=-3

from equation 1
3x-8y=9
3x-8(-3)=9
3x+24=9
3x=9-24=-15
then x=-5
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