2r-5=4(r+10)

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Solution for 2r-5=4(r+10) equation: 



2r-5=4(r+10)

We move all terms to the left:

2r-5-(4(r+10))=0



We calculate terms in parentheses: -(4(r+10)), so:

4(r+10)

We multiply parentheses

4r+40

Back to the equation:

-(4r+40)



We get rid of parentheses

2r-4r-40-5=0

We add all the numbers together, and all the variables

-2r-45=0

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

-2r=45

r=45/-2

r=-22+1/2

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