SOLUTION: Can someone help me on this problem? Is 4 a solution to the equation x + 7 = 11? Thanks, Sher

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Question 54787: Can someone help me on this problem?
Is 4 a solution to the equation x + 7 = 11?
Thanks,
Sher
Answer by rchill(405) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, it is, and you can prove it by subtracting 7 from sides of the equation to get x%2B7-7=11-7, which reduces to x=4.