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irina [24]
3 years ago
5

Solve the system of equations.in this form: (x, y) -5y + 8x = -18 5y + 2x = 58

Mathematics
2 answers:
GrogVix [38]3 years ago
8 0

the answers are x=4 and y=10

Gre4nikov [31]3 years ago
5 0
If we add the equations it looks like
-5y + 8x + 5y + 2x = -18+58
so 10x=40
so x=40/10=4
now let's replace x by 4 in the second equation
5y +2*4=58
5y=58-2*4=58-8=50
so y=50/5=10
so (x, y) = (2, 10)
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