0.9x+20=840

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Solution for 0.9x+20=840 equation: 



0.9x+20=840

We move all terms to the left:

0.9x+20-(840)=0

We add all the numbers together, and all the variables

0.9x-820=0

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

0.9x=820

x=820/0.9

x=911+0.10000000000002/0.9

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