-x+3=4x-12

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Solution for -x+3=4x-12 equation: 



-x+3=4x-12

We move all terms to the left:

-x+3-(4x-12)=0

We add all the numbers together, and all the variables

-1x-(4x-12)+3=0

We get rid of parentheses

-1x-4x+12+3=0

We add all the numbers together, and all the variables

-5x+15=0

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

-5x=-15

x=-15/-5

x=+3

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