5+2r+6=9

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Solution for 5+2r+6=9 equation: 


Simplifying
5 + 2r + 6 = 9

Reorder the terms:
5 + 6 + 2r = 9

Combine like terms: 5 + 6 = 11
11 + 2r = 9

Solving
11 + 2r = 9

Solving for variable 'r'.

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

Add '-11' to each side of the equation.
11 + -11 + 2r = 9 + -11

Combine like terms: 11 + -11 = 0
0 + 2r = 9 + -11
2r = 9 + -11

Combine like terms: 9 + -11 = -2
2r = -2

Divide each side by '2'.
r = -1

Simplifying
r = -1

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