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kkurt [141]
3 years ago
8

Use the substitution method to solve the system of equations. choose the correct ordered pair. 2x - y = 103x - 2y = 8

Mathematics
1 answer:
crimeas [40]3 years ago
8 0
2x-y=10\Rightarrow 2x-10=y \\ 
\Longrightarrow 3x-2y=8\Rightarrow 3x-2(2x-10)=8 \\ 
3x-4x+20=8 \\ -x=8-20=-12 \\ x=12 \\  \\ y=2(12)-10=24-10 \\ y=14 \\  \\ (x,y)=(12,14)
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