7.8x+2.1-3.5x-9.3=3.8+10.2

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Solution for 7.8x+2.1-3.5x-9.3=3.8+10.2 equation: 



7.8x+2.1-3.5x-9.3=3.8+10.2

We move all terms to the left:

7.8x+2.1-3.5x-9.3-(3.8+10.2)=0

We add all the numbers together, and all the variables

7.8x-3.5x+2.1-9.3-14=0

We add all the numbers together, and all the variables

4.3x-21.2=0

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

4.3x=21.2

x=21.2/4.3

x=4+1/1.075

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