SOLUTION: If x + 4 y = 10 and - x + 5 y = 8 what is the value of 3x - 2?

SOLUTION: If x + 4 y = 10 and - x + 5 y = 8 what is the value of 3x - 2?

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Question 342648: If x + 4 y = 10 and - x + 5 y = 8 what is the value of 3x - 2?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Add the two equations together.

Then use an equation to solve for x.

So then

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