9r-4-6r=(2r+1)-5

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Solution for 9r-4-6r=(2r+1)-5 equation: 



9r-4-6r=(2r+1)-5

We move all terms to the left:

9r-4-6r-((2r+1)-5)=0

We add all the numbers together, and all the variables

3r-((2r+1)-5)-4=0



We calculate terms in parentheses: -((2r+1)-5), so:

(2r+1)-5

We get rid of parentheses

2r+1-5

We add all the numbers together, and all the variables

2r-4

Back to the equation:

-(2r-4)



We get rid of parentheses

3r-2r+4-4=0

We add all the numbers together, and all the variables

r=0

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