7r+2r=12-(-2)+27

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Solution for 7r+2r=12-(-2)+27 equation: 


Simplifying
7r + 2r = 12 + -1(-2) + 27

Combine like terms: 7r + 2r = 9r
9r = 12 + -1(-2) + 27

Multiply -1 * -2
9r = 12 + 2 + 27

Combine like terms: 12 + 2 = 14
9r = 14 + 27

Combine like terms: 14 + 27 = 41
9r = 41

Solving
9r = 41

Solving for variable 'r'.

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

Divide each side by '9'.
r = 4.555555556

Simplifying
r = 4.555555556

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