SOLUTION: Find the value of x when the following system of equations is solved simultaneously: 2x+3y=10 and -2x-8y=5

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Question 330908: Find the value of x when the following system of equations is solved simultaneously: 2x+3y=10 and -2x-8y=5
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the two equation together to eliminate x.
2x%2B3y-2x-8y=10%2B5
-5y=15
highlight%28y=-3%29
Now use either equation to solve for x.
2x-9=10
2x=19
highlight%28x=19%2F2%29