15r+6=84-11r

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Solution for 15r+6=84-11r equation:


Simplifying
15r + 6 = 84 + -11r

Reorder the terms:
6 + 15r = 84 + -11r

Solving
6 + 15r = 84 + -11r

Solving for variable 'r'.

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

Add '11r' to each side of the equation.
6 + 15r + 11r = 84 + -11r + 11r

Combine like terms: 15r + 11r = 26r
6 + 26r = 84 + -11r + 11r

Combine like terms: -11r + 11r = 0
6 + 26r = 84 + 0
6 + 26r = 84

Add '-6' to each side of the equation.
6 + -6 + 26r = 84 + -6

Combine like terms: 6 + -6 = 0
0 + 26r = 84 + -6
26r = 84 + -6

Combine like terms: 84 + -6 = 78
26r = 78

Divide each side by '26'.
r = 3

Simplifying
r = 3

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