-2(3r+4)+9(2r-11)=0

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Solution for -2(3r+4)+9(2r-11)=0 equation:


Simplifying
-2(3r + 4) + 9(2r + -11) = 0

Reorder the terms:
-2(4 + 3r) + 9(2r + -11) = 0
(4 * -2 + 3r * -2) + 9(2r + -11) = 0
(-8 + -6r) + 9(2r + -11) = 0

Reorder the terms:
-8 + -6r + 9(-11 + 2r) = 0
-8 + -6r + (-11 * 9 + 2r * 9) = 0
-8 + -6r + (-99 + 18r) = 0

Reorder the terms:
-8 + -99 + -6r + 18r = 0

Combine like terms: -8 + -99 = -107
-107 + -6r + 18r = 0

Combine like terms: -6r + 18r = 12r
-107 + 12r = 0

Solving
-107 + 12r = 0

Solving for variable 'r'.

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

Add '107' to each side of the equation.
-107 + 107 + 12r = 0 + 107

Combine like terms: -107 + 107 = 0
0 + 12r = 0 + 107
12r = 0 + 107

Combine like terms: 0 + 107 = 107
12r = 107

Divide each side by '12'.
r = 8.916666667

Simplifying
r = 8.916666667

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