SOLUTION: the sum of a number and 40 was 13 greater than 10 times the number. what was the number?

Question 349214: the sum of a number and 40 was 13 greater than 10 times the number. what was the number?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
"the sum of a number and 40 was 13 greater than 10 times the number" means that

Start with the given equation.

Subtract from both sides.

Subtract from both sides.

Combine like terms on the left side.

Combine like terms on the right side.

Divide both sides by to isolate .

Reduce.

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Answer:

So the answer is which means that the unknown number is 3.

If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website

Jim
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