2r-4(1+3r)=74

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Solution for 2r-4(1+3r)=74 equation: 



2r-4(1+3r)=74

We move all terms to the left:

2r-4(1+3r)-(74)=0

We add all the numbers together, and all the variables

2r-4(3r+1)-74=0

We multiply parentheses

2r-12r-4-74=0

We add all the numbers together, and all the variables

-10r-78=0

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

-10r=78

r=78/-10

r=-7+4/5

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