SOLUTION: the sum of four times a number and seven is equal to the difference of the number and eight. find the number
Algebra.Com
Question 1093634: the sum of four times a number and seven is equal to the difference of the number and eight. find the number
Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!
The sum of four times a number and seven.... Call the number x; then this expression is
The difference of the number and 8... this expression, using the same x for the number, is
The problem says those two expressions are equal:
Basic algebra from there....
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