20-4x=7+2.5x

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Solution for 20-4x=7+2.5x equation: 



20-4x=7+2.5x

We move all terms to the left:

20-4x-(7+2.5x)=0

We add all the numbers together, and all the variables

-4x-(2.5x+7)+20=0

We get rid of parentheses

-4x-2.5x-7+20=0

We add all the numbers together, and all the variables

-6.5x+13=0

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

-6.5x=-13

x=-13/-6.5

x=+2

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