11*(3r+6)=9*(4r-1)

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Solution for 11*(3r+6)=9*(4r-1) equation:


Simplifying
11(3r + 6) = 9(4r + -1)

Reorder the terms:
11(6 + 3r) = 9(4r + -1)
(6 * 11 + 3r * 11) = 9(4r + -1)
(66 + 33r) = 9(4r + -1)

Reorder the terms:
66 + 33r = 9(-1 + 4r)
66 + 33r = (-1 * 9 + 4r * 9)
66 + 33r = (-9 + 36r)

Solving
66 + 33r = -9 + 36r

Solving for variable 'r'.

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

Add '-36r' to each side of the equation.
66 + 33r + -36r = -9 + 36r + -36r

Combine like terms: 33r + -36r = -3r
66 + -3r = -9 + 36r + -36r

Combine like terms: 36r + -36r = 0
66 + -3r = -9 + 0
66 + -3r = -9

Add '-66' to each side of the equation.
66 + -66 + -3r = -9 + -66

Combine like terms: 66 + -66 = 0
0 + -3r = -9 + -66
-3r = -9 + -66

Combine like terms: -9 + -66 = -75
-3r = -75

Divide each side by '-3'.
r = 25

Simplifying
r = 25

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