1212-3x=4x-9

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Solution for 1212-3x=4x-9 equation: 



1212-3x=4x-9

We move all terms to the left:

1212-3x-(4x-9)=0

We get rid of parentheses

-3x-4x+9+1212=0

We add all the numbers together, and all the variables

-7x+1221=0

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

-7x=-1221

x=-1221/-7

x=174+3/7

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