2(130-x)=1.25(130+x)

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Solution for 2(130-x)=1.25(130+x) equation: 



2(130-x)=1.25(130+x)

We move all terms to the left:

2(130-x)-(1.25(130+x))=0

We add all the numbers together, and all the variables

2(-1x+130)-(1.25(x+130))=0

We multiply parentheses

-2x-(1.25(x+130))+260=0



We calculate terms in parentheses: -(1.25(x+130)), so:

1.25(x+130)

We multiply parentheses

1.25x+162.5

Back to the equation:

-(1.25x+162.5)



We get rid of parentheses

-2x-1.25x-162.5+260=0

We add all the numbers together, and all the variables

-3.25x+97.5=0

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

-3.25x=-97.5

x=-97.5/-3.25

x=+30

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