7(r-6r)-r=4(r-6)-6

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Solution for 7(r-6r)-r=4(r-6)-6 equation: 



7(r-6r)-r=4(r-6)-6

We move all terms to the left:

7(r-6r)-r-(4(r-6)-6)=0

We add all the numbers together, and all the variables

7(-5r)-r-(4(r-6)-6)=0

We add all the numbers together, and all the variables

-1r+7(-5r)-(4(r-6)-6)=0

We multiply parentheses

-1r-35r-(4(r-6)-6)=0



We calculate terms in parentheses: -(4(r-6)-6), so:

4(r-6)-6

We multiply parentheses

4r-24-6

We add all the numbers together, and all the variables

4r-30

Back to the equation:

-(4r-30)



We add all the numbers together, and all the variables

-36r-(4r-30)=0

We get rid of parentheses

-36r-4r+30=0

We add all the numbers together, and all the variables

-40r+30=0

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

-40r=-30

r=-30/-40

r=3/4

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