SOLUTION: 21X+7y=42 -5x+5y=10

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Question 1132050: 21X+7y=42
-5x+5y=10
Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Do you have a question?

Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Variables X, y, and x.
X=x?
X%3C%3Ex?


If you mean to have two equations and TWO unknown variables, then make it as system%2821x%2B7y=42%2C-5x%2B5y=10%29

and that system simplifies to system%283x%2By=6%2Cx-y=-2%29
and ready for eliminating y to quickly solve for x....