What is the solution to the system of equations? Use the substitution method. y-3x=7 21+9x=3y A. There is no solution B. There are an infinite number solutions C. The solution is {1,10} D. The solution

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asked May 3, 2017 200k views

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What is the solution to the system of equations? Use the substitution method.

y-3x=7
21+9x=3y
A. There is no solution
B. There are an infinite number solutions
C. The solution is {1,10}
D. The solution is {28,0}

Mathematics
high-school

Pieter De Clercq asked

by Pieter De Clercq

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1 Answer

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Hello,

Answer B

y-3x=7==>y=3x+7
3y=9x+21==>y=3x+7
==>3x+7=3x+7
==>0x=0

Dimakura answered May 7, 2017

by Dimakura

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