15x-3=45x+21

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Solution for 15x-3=45x+21 equation: 



15x-3=45x+21

We move all terms to the left:

15x-3-(45x+21)=0

We get rid of parentheses

15x-45x-21-3=0

We add all the numbers together, and all the variables

-30x-24=0

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

-30x=24

x=24/-30

x=-4/5

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