90+0.50=30+0.90x

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Solution for 90+0.50=30+0.90x equation: 



90+0.50=30+0.90x

We move all terms to the left:

90+0.50-(30+0.90x)=0

We add all the numbers together, and all the variables

-(0.90x+30)+90+0.50=0

We add all the numbers together, and all the variables

-(0.90x+30)+90.5=0

We get rid of parentheses

-0.90x-30+90.5=0

We add all the numbers together, and all the variables

-0.9x+60.5=0

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

-0.9x=-60.5

x=-60.5/-0.9

x=67+0.2/0.9

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