SOLUTION: Please help me solve the equation 7x-3y=6; x=3

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Question 157598: Please help me solve the equation 7x-3y=6; x=3
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!
7x-3y=6; x=3
substitute x=3:
7%2A3-3y=6, transpose
21-6=3y
15=3y --------> cross%2815%293%2Fcross%283%29=cross%283%29y%2Fcross%283%29
y=5
check it out when system%28x=3%2Cy=5%29
%287%2A3%29-%283%2A5%29=6
21-15=6
6=6
Thank you,
Jojo