7=43-12x

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Solution for 7=43-12x equation: 



7=43-12x

We move all terms to the left:

7-(43-12x)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

12x-43+7=0

We add all the numbers together, and all the variables

12x-36=0

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

12x=36

x=36/12

x=3

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