7.2x+400=51.84+20x

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Solution for 7.2x+400=51.84+20x equation: 



7.2x+400=51.84+20x

We move all terms to the left:

7.2x+400-(51.84+20x)=0

We add all the numbers together, and all the variables

7.2x-(20x+51.84)+400=0

We get rid of parentheses

7.2x-20x-51.84+400=0

We add all the numbers together, and all the variables

-12.8x+348.16=0

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

-12.8x=-348.16

x=-348.16/-12.8

x=27+1/5

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