120x-2=7+0.9x

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Solution for 120x-2=7+0.9x equation: 



120x-2=7+0.9x

We move all terms to the left:

120x-2-(7+0.9x)=0

We add all the numbers together, and all the variables

120x-(0.9x+7)-2=0

We get rid of parentheses

120x-0.9x-7-2=0

We add all the numbers together, and all the variables

119.1x-9=0

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

119.1x=9

x=9/119.1

x=9/119.1

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