(2r-4)4=36

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Solution for (2r-4)4=36 equation:


Simplifying
(2r + -4) * 4 = 36

Reorder the terms:
(-4 + 2r) * 4 = 36

Reorder the terms for easier multiplication:
4(-4 + 2r) = 36
(-4 * 4 + 2r * 4) = 36
(-16 + 8r) = 36

Solving
-16 + 8r = 36

Solving for variable 'r'.

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

Add '16' to each side of the equation.
-16 + 16 + 8r = 36 + 16

Combine like terms: -16 + 16 = 0
0 + 8r = 36 + 16
8r = 36 + 16

Combine like terms: 36 + 16 = 52
8r = 52

Divide each side by '8'.
r = 6.5

Simplifying
r = 6.5

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