SOLUTION: a number multipied by 8 and added by 4 is 7 more than a number

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Question 176526: a number multipied by 8 and added by 4 is 7 more than a number
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let's call the number N.
"a number multipied by 8"
8%2AN
"added by 4'
8%2AN%2B4
"is 7 more than a number"
8%2AN%2B4=N%2B7
8%2AN-N%2B4=N-N%2B7 Subtract N from both sides.
7%2AN%2B4=7
7%2AN%2B4-4=7-4 Subtract 4 from both sides.
7%2AN=3
7N%2F7=3%2F7 Divide both sides by 7.
N=3%2F7