3=4.2x=10.5

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Solution for 3=4.2x=10.5 equation: 



3=4.2x=10.5

We move all terms to the left:

3-(4.2x)=0

We add all the numbers together, and all the variables

-(+4.2x)+3=0

We get rid of parentheses

-4.2x+3=0

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

-4.2x=-3

x=-3/-4.2

x=3/4.2

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