130=7+20x+3.

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Solution for 130=7+20x+3. equation: 



130=7+20x+3.

We move all terms to the left:

130-(7+20x+3.)=0

We add all the numbers together, and all the variables

-(20x+10)+130=0

We get rid of parentheses

-20x-10+130=0

We add all the numbers together, and all the variables

-20x+120=0

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

-20x=-120

x=-120/-20

x=+6

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