5x+30+7x=3x+45

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Solution for 5x+30+7x=3x+45 equation: 



5x+30+7x=3x+45

We move all terms to the left:

5x+30+7x-(3x+45)=0

We add all the numbers together, and all the variables

12x-(3x+45)+30=0

We get rid of parentheses

12x-3x-45+30=0

We add all the numbers together, and all the variables

9x-15=0

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

9x=15

x=15/9

x=1+2/3

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