2.1x+45.5=3.2-8.4x

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Solution for 2.1x+45.5=3.2-8.4x equation: 



2.1x+45.5=3.2-8.4x

We move all terms to the left:

2.1x+45.5-(3.2-8.4x)=0

We add all the numbers together, and all the variables

2.1x-(-8.4x+3.2)+45.5=0

We get rid of parentheses

2.1x+8.4x-3.2+45.5=0

We add all the numbers together, and all the variables

10.5x+42.3=0

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

10.5x=-42.3

x=-42.3/10.5

x=-4+0.3/10.5

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