the sum of a certain number and twice that number is 27?
Philip P.
answered 01/16/19
Effective and Patient Math Tutor
Let x = the unknown number. Twice the number is 2x. The sum of the number and twice the number is x + 2x. It equals 27:
x + 2x = 27
Solve for x
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Lily R.
thanks01/17/19