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If you add 7 to a number, multiply the sum by 3, and subtract 47 from the product, you will get the number you started with. What is the number?
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If you add 7 to a number, multiply the sum by 3, and subtract 47 from the product, you will get the number you started with. What is the number?

User Dunes Buggy
by
6.8k points

2 Answers

6 votes

Answer:

13

Explanation:

Make the equation:

((x+7)*3)-47=x

Solve

User Sravan K Reddy
by
8.4k points
6 votes
The number is 13.
we can calculate this as;
let x is the number
((x + 7) x 3) - 47) = x
(3x + 21) - 47 = x
3x + 21 - x = 47
2x + 21 = 47
2x = 47 - 21
2x = 26
x = 26/2
x = 13

User Zosim
by
9.2k points
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