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forsale [732]
4 years ago
12

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

Mathematics
2 answers:
tamaranim1 [39]4 years ago
6 0
5(x+3)=x+15
its simple
Mariana [72]4 years ago
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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