-6(3-12)=11r-6(r+3)

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Solution for -6(3-12)=11r-6(r+3) equation:


Simplifying
-6(3 + -12) = 11r + -6(r + 3)

Combine like terms: 3 + -12 = -9
-6(-9) = 11r + -6(r + 3)

Multiply -6 * -9
54 = 11r + -6(r + 3)

Reorder the terms:
54 = 11r + -6(3 + r)
54 = 11r + (3 * -6 + r * -6)
54 = 11r + (-18 + -6r)

Reorder the terms:
54 = -18 + 11r + -6r

Combine like terms: 11r + -6r = 5r
54 = -18 + 5r

Solving
54 = -18 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
54 + -5r = -18 + 5r + -5r

Combine like terms: 5r + -5r = 0
54 + -5r = -18 + 0
54 + -5r = -18

Add '-54' to each side of the equation.
54 + -54 + -5r = -18 + -54

Combine like terms: 54 + -54 = 0
0 + -5r = -18 + -54
-5r = -18 + -54

Combine like terms: -18 + -54 = -72
-5r = -72

Divide each side by '-5'.
r = 14.4

Simplifying
r = 14.4

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