3 years ago

Five times the sum of a number (x) and three is equal to the sum of that number (x) and fifteen.

2 answers:

6 0

5(x+3)=x+15
its simple

4 0

5(x + 3) = x + 15....distribute
5x + 15 = x + 15...subtract x from both sides, subtract 15 from both sides
5x - x = 15 - 15
4x = 0
x = 0 <=

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