since its 4 less than 60, what two numbers make 56 really, that's simple, its 28.
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You have to know the value of the unknown number to give the correct answer.
Five more than twice a number is -13 find the number
Howe much is eight more four?
2n + 2 = 2(n + 1)Since you have been given that it is twice a variable with the variable only, you have 2n, and adding 2 yields 2n + 2, or 2(n + 1).