SOLUTION: Solve the system of equations.

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Question 323997: Solve the system of equations.
2x-7y=3
-33=-7x+2y

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
2x-7y=3
-33=-7x+2y
..
2x-7y=3............1
7x-2y=33...........2
..
multiply equation 1 by 7 and equation 2 by 2 to eliminate x
14x-49y=21
14x-4y=66
subtract
14x-49y-14x+4y=21-66
-45y=-45
y=1
plug the value of y in equation 1
2x-7=3
2x=10
x=5