x/2+12=x-3

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Solution for x/2+12=x-3 equation: 



x/2+12=x-3

We move all terms to the left:

x/2+12-(x-3)=0

We get rid of parentheses

x/2-x+3+12=0

We multiply all the terms by the denominator


x-x*2+3*2+12*2=0

We add all the numbers together, and all the variables

x-x*2+30=0

Wy multiply elements

x-2x+30=0

We add all the numbers together, and all the variables

-1x+30=0

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

-x=-30

x=-30/-1

x=+30

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