12x+34=9x+13=180

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Solution for 12x+34=9x+13=180 equation:



12x+34=9x+13=180
We move all terms to the left:
12x+34-(9x+13)=0
We get rid of parentheses
12x-9x-13+34=0
We add all the numbers together, and all the variables
3x+21=0
We move all terms containing x to the left, all other terms to the right
3x=-21
x=-21/3
x=-7

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