-2.4+2.1x=7.86

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Solution for -2.4+2.1x=7.86 equation: 



-2.4+2.1x=7.86

We move all terms to the left:

-2.4+2.1x-(7.86)=0

We add all the numbers together, and all the variables

2.1x-10.26=0

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

2.1x=10.26

x=10.26/2.1

x=4+1/1.1290322580645

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