16=-5r-12+3+4r+6r

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Solution for 16=-5r-12+3+4r+6r equation: 


Simplifying
16 = -5r + -12 + 3 + 4r + 6r

Reorder the terms:
16 = -12 + 3 + -5r + 4r + 6r

Combine like terms: -12 + 3 = -9
16 = -9 + -5r + 4r + 6r

Combine like terms: -5r + 4r = -1r
16 = -9 + -1r + 6r

Combine like terms: -1r + 6r = 5r
16 = -9 + 5r

Solving
16 = -9 + 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.
16 + -5r = -9 + 5r + -5r

Combine like terms: 5r + -5r = 0
16 + -5r = -9 + 0
16 + -5r = -9

Add '-16' to each side of the equation.
16 + -16 + -5r = -9 + -16

Combine like terms: 16 + -16 = 0
0 + -5r = -9 + -16
-5r = -9 + -16

Combine like terms: -9 + -16 = -25
-5r = -25

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

Simplifying
r = 5

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