12x+4=7x-5

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Solution for 12x+4=7x-5 equation: 



12x+4=7x-5

We move all terms to the left:

12x+4-(7x-5)=0

We get rid of parentheses

12x-7x+5+4=0

We add all the numbers together, and all the variables

5x+9=0

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

5x=-9

x=-9/5

x=-1+4/5

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