0.3x-1+0.5x=2.2

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Solution for 0.3x-1+0.5x=2.2 equation: 



0.3x-1+0.5x=2.2

We move all terms to the left:

0.3x-1+0.5x-(2.2)=0

We add all the numbers together, and all the variables

0.8x-3.2=0

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

0.8x=3.2

x=3.2/0.8

x=4

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