(x-13)*3=15

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Solution for (x-13)*3=15 equation:



(x-13)*3=15
We move all terms to the left:
(x-13)*3-(15)=0
We multiply parentheses
3x-39-15=0
We add all the numbers together, and all the variables
3x-54=0
We move all terms containing x to the left, all other terms to the right
3x=54
x=54/3
x=18

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