3x+30=7x-25

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Solution for 3x+30=7x-25 equation: 



3x+30=7x-25

We move all terms to the left:

3x+30-(7x-25)=0

We get rid of parentheses

3x-7x+25+30=0

We add all the numbers together, and all the variables

-4x+55=0

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

-4x=-55

x=-55/-4

x=13+3/4

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