(4r-2)=12

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Solution for (4r-2)=12 equation: 


Simplifying
(4r + -2) = 12

Reorder the terms:
(-2 + 4r) = 12

Remove parenthesis around (-2 + 4r)
-2 + 4r = 12

Solving
-2 + 4r = 12

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + 2 + 4r = 12 + 2

Combine like terms: -2 + 2 = 0
0 + 4r = 12 + 2
4r = 12 + 2

Combine like terms: 12 + 2 = 14
4r = 14

Divide each side by '4'.
r = 3.5

Simplifying
r = 3.5

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