3(4+5)-2(3r+4)=7

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Solution for 3(4+5)-2(3r+4)=7 equation: 



3(4+5)-2(3r+4)=7

We move all terms to the left:

3(4+5)-2(3r+4)-(7)=0

determiningTheFunctionDomain
-2(3r+4)-7+3(4+5)=0

We add all the numbers together, and all the variables

-2(3r+4)-7+39=0

We add all the numbers together, and all the variables

-2(3r+4)+32=0

We multiply parentheses

-6r-8+32=0

We add all the numbers together, and all the variables

-6r+24=0

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

-6r=-24

r=-24/-6

r=+4

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