11+(5-r)=9

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Solution for 11+(5-r)=9 equation:


Simplifying
11 + (5 + -1r) = 9

Remove parenthesis around (5 + -1r)
11 + 5 + -1r = 9

Combine like terms: 11 + 5 = 16
16 + -1r = 9

Solving
16 + -1r = 9

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 + -1r = 9 + -16

Combine like terms: 16 + -16 = 0
0 + -1r = 9 + -16
-1r = 9 + -16

Combine like terms: 9 + -16 = -7
-1r = -7

Divide each side by '-1'.
r = 7

Simplifying
r = 7

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