2(2r-1)-4=-10

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Solution for 2(2r-1)-4=-10 equation: 



2(2r-1)-4=-10

We move all terms to the left:

2(2r-1)-4-(-10)=0

We add all the numbers together, and all the variables

2(2r-1)+6=0

We multiply parentheses

4r-2+6=0

We add all the numbers together, and all the variables

4r+4=0

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

4r=-4

r=-4/4

r=-1

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