12x+30=7x-12

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Solution for 12x+30=7x-12 equation: 



12x+30=7x-12

We move all terms to the left:

12x+30-(7x-12)=0

We get rid of parentheses

12x-7x+12+30=0

We add all the numbers together, and all the variables

5x+42=0

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

5x=-42

x=-42/5

x=-8+2/5

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