4(3r-4)=3(r+9)+2.

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Solution for 4(3r-4)=3(r+9)+2. equation: 



4(3r-4)=3(r+9)+2.

We move all terms to the left:

4(3r-4)-(3(r+9)+2.)=0

We multiply parentheses

12r-(3(r+9)+2.)-16=0



We calculate terms in parentheses: -(3(r+9)+2.), so:

3(r+9)+2.

We add all the numbers together, and all the variables

3(r+9)+2

We multiply parentheses

3r+27+2

We add all the numbers together, and all the variables

3r+29

Back to the equation:

-(3r+29)



We get rid of parentheses

12r-3r-29-16=0

We add all the numbers together, and all the variables

9r-45=0

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

9r=45

r=45/9

r=5

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