12-x-3x=7x-43

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Solution for 12-x-3x=7x-43 equation: 



12-x-3x=7x-43

We move all terms to the left:

12-x-3x-(7x-43)=0

We add all the numbers together, and all the variables

-4x-(7x-43)+12=0

We get rid of parentheses

-4x-7x+43+12=0

We add all the numbers together, and all the variables

-11x+55=0

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

-11x=-55

x=-55/-11

x=+5

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