10-5(6+r)=40

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Solution for 10-5(6+r)=40 equation: 



10-5(6+r)=40

We move all terms to the left:

10-5(6+r)-(40)=0

We add all the numbers together, and all the variables

-5(r+6)+10-40=0

We add all the numbers together, and all the variables

-5(r+6)-30=0

We multiply parentheses

-5r-30-30=0

We add all the numbers together, and all the variables

-5r-60=0

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

-5r=60

r=60/-5

r=-12

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