50+0.8x=20+0.9x

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Solution for 50+0.8x=20+0.9x equation: 



50+0.8x=20+0.9x

We move all terms to the left:

50+0.8x-(20+0.9x)=0

We add all the numbers together, and all the variables

0.8x-(0.9x+20)+50=0

We get rid of parentheses

0.8x-0.9x-20+50=0

We add all the numbers together, and all the variables

-0.1x+30=0

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

-0.1x=-30

x=-30/-0.1

x=+300

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