2.1x+8.4=10.5x+50.4

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Solution for 2.1x+8.4=10.5x+50.4 equation: 



2.1x+8.4=10.5x+50.4

We move all terms to the left:

2.1x+8.4-(10.5x+50.4)=0

We get rid of parentheses

2.1x-10.5x-50.4+8.4=0

We add all the numbers together, and all the variables

-8.4x-42=0

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

-8.4x=42

x=42/-8.4

x=-5

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