WILL GIVE BRAINLIEST ian solved the system of equations by making a substitution for y in the second equation. What equation did
he get as a result of that substitution? y=-3x+1 5x-2y=31 A. 5x+6x+1=31
B. 5x+6x-2=31
C. -15x+5x=31
D. -15x-x=31
1 answer:
5x -2(-3x+1) =31
5x +6x-2=31
Choice B
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1st image:
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400 + 20x = 1600
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x = 60
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2nd image:
5 * x = 10 * 6
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