2(2r-4)=52

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Solution for 2(2r-4)=52 equation: 


Simplifying
2(2r + -4) = 52

Reorder the terms:
2(-4 + 2r) = 52
(-4 * 2 + 2r * 2) = 52
(-8 + 4r) = 52

Solving
-8 + 4r = 52

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + 4r = 52 + 8

Combine like terms: -8 + 8 = 0
0 + 4r = 52 + 8
4r = 52 + 8

Combine like terms: 52 + 8 = 60
4r = 60

Divide each side by '4'.
r = 15

Simplifying
r = 15

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