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Question 556231: x+7+x=15
Answer by Theo(13342)   (Show Source):
You can put this solution on YOUR website! x + 7 + x = 15
combine like terms to get:
2x + 7 = 15
subtract 7 from both sides of the equation to get:
2x = 15 - 7 = 8
divide both sides of the equation by 2 to get:
x = 4
substitute in the original equation to get:
4 + 7 + 4 = 15
simplify to get:
15 = 15
this confirms the value of x is good.
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