15x-75=12x-45

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Solution for 15x-75=12x-45 equation: 



15x-75=12x-45

We move all terms to the left:

15x-75-(12x-45)=0

We get rid of parentheses

15x-12x+45-75=0

We add all the numbers together, and all the variables

3x-30=0

We move all terms containing x to the left, all other terms to the right

3x=30

x=30/3

x=10

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