7r+4r=180-27+12

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Solution for 7r+4r=180-27+12 equation: 


Simplifying
7r + 4r = 180 + -27 + 12

Combine like terms: 7r + 4r = 11r
11r = 180 + -27 + 12

Combine like terms: 180 + -27 = 153
11r = 153 + 12

Combine like terms: 153 + 12 = 165
11r = 165

Solving
11r = 165

Solving for variable 'r'.

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

Divide each side by '11'.
r = 15

Simplifying
r = 15

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