90-x=0.5x+3

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Solution for 90-x=0.5x+3 equation: 



90-x=0.5x+3

We move all terms to the left:

90-x-(0.5x+3)=0

We add all the numbers together, and all the variables

-1x-(0.5x+3)+90=0

We get rid of parentheses

-1x-0.5x-3+90=0

We add all the numbers together, and all the variables

-1.5x+87=0

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

-1.5x=-87

x=-87/-1.5

x=+58

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