SOLUTION: Twice the sum of a number and 3 is the same as 1 subtracted from the number. Find the number
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Question 1061477: Twice the sum of a number and 3 is the same as 1 subtracted from the number. Find the number
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
Let x = the number
2(x+3) is "twice the sum of a number and three"
x-1 is "1 subtracted from the number"
Expanding 2(x+3) and setting the two equal to each other:
2x+6 = x-1
x = -7
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Ans: x = -7
—
Check:
2(-7+3) = 2(-4) = -8
-7-1 = -8 (ok)
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