SOLUTION: twenty is twice the sum of a number and four. find the number.
Algebra.Com
Question 748970: twenty is twice the sum of a number and four. find the number.
Answer by timvanswearingen(106) (Show Source): You can put this solution on YOUR website!
Let x represent the number you are looking for. Then the sum of the number and 4 is (x+4) and twice that sum is 2(x+4), which is equal to 20:
Distribute:
Subtract 8 from both sides:
Divide both sides by 2:
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