SOLUTION: Is 5 a solution to 7x plus 7 equals 40?

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Question 678754: Is 5 a solution to 7x plus 7 equals 40?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

7x + 7 = 40

7(5) + 7 = 40 ... Plug in x = 5

35 + 7 = 40

42 = 40 ... which is FALSE, so x = 5 is NOT a solution.