(2r+4)=180

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Solution for (2r+4)=180 equation:


Simplifying
(2r + 4) = 180

Reorder the terms:
(4 + 2r) = 180

Remove parenthesis around (4 + 2r)
4 + 2r = 180

Solving
4 + 2r = 180

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 2r = 180 + -4

Combine like terms: 4 + -4 = 0
0 + 2r = 180 + -4
2r = 180 + -4

Combine like terms: 180 + -4 = 176
2r = 176

Divide each side by '2'.
r = 88

Simplifying
r = 88

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