1200x+90=1800x+120

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Solution for 1200x+90=1800x+120 equation: 



1200x+90=1800x+120

We move all terms to the left:

1200x+90-(1800x+120)=0

We get rid of parentheses

1200x-1800x-120+90=0

We add all the numbers together, and all the variables

-600x-30=0

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

-600x=30

x=30/-600

x=-1/20

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