SOLUTION: solve and show formulas: 7x-30=5x

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Question 263827: solve and show formulas:
7x-30=5x
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
7x-30=5x
7X-5X=30
2X=30
X=30/2
X=15 ANS.
PROOF:
7*15-30=5*15
105-30=75
75=75