2-x=4(5-x)

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Solution for 2-x=4(5-x) equation: 



2-x=4(5-x)

We move all terms to the left:

2-x-(4(5-x))=0

We add all the numbers together, and all the variables

-x-(4(-1x+5))+2=0

We add all the numbers together, and all the variables

-1x-(4(-1x+5))+2=0



We calculate terms in parentheses: -(4(-1x+5)), so:

4(-1x+5)

We multiply parentheses

-4x+20

Back to the equation:

-(-4x+20)



We get rid of parentheses

-1x+4x-20+2=0

We add all the numbers together, and all the variables

3x-18=0

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

3x=18

x=18/3

x=6

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