-12r+7=(5-3r)-5

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Solution for -12r+7=(5-3r)-5 equation: 



-12r+7=(5-3r)-5

We move all terms to the left:

-12r+7-((5-3r)-5)=0

We add all the numbers together, and all the variables

-12r-((-3r+5)-5)+7=0



We calculate terms in parentheses: -((-3r+5)-5), so:

(-3r+5)-5

We get rid of parentheses

-3r+5-5

We add all the numbers together, and all the variables

-3r

Back to the equation:

-(-3r)



We get rid of parentheses

-12r+3r+7=0

We add all the numbers together, and all the variables

-9r+7=0

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

-9r=-7

r=-7/-9

r=7/9

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