12+5r+3x+8x=

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Solution for 12+5r+3x+8x= equation:


Simplifying
12 + 5r + 3x + 8x = 0

Combine like terms: 3x + 8x = 11x
12 + 5r + 11x = 0

Solving
12 + 5r + 11x = 0

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + 5r + -12 + 11x = 0 + -12

Reorder the terms:
12 + -12 + 5r + 11x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 5r + 11x = 0 + -12
5r + 11x = 0 + -12

Combine like terms: 0 + -12 = -12
5r + 11x = -12

Add '-11x' to each side of the equation.
5r + 11x + -11x = -12 + -11x

Combine like terms: 11x + -11x = 0
5r + 0 = -12 + -11x
5r = -12 + -11x

Divide each side by '5'.
r = -2.4 + -2.2x

Simplifying
r = -2.4 + -2.2x

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