2.5x-1.7=4.2x

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Solution for 2.5x-1.7=4.2x equation: 



2.5x-1.7=4.2x

We move all terms to the left:

2.5x-1.7-(4.2x)=0

We add all the numbers together, and all the variables

2.5x-(+4.2x)-1.7=0

We get rid of parentheses

2.5x-4.2x-1.7=0

We add all the numbers together, and all the variables

-1.7x-1.7=0

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

-1.7x=1.7

x=1.7/-1.7

x=-1

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