r+4-4r-16=-3r-2r

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Solution for r+4-4r-16=-3r-2r equation: 


Simplifying
r + 4 + -4r + -16 = -3r + -2r

Reorder the terms:
4 + -16 + r + -4r = -3r + -2r

Combine like terms: 4 + -16 = -12
-12 + r + -4r = -3r + -2r

Combine like terms: r + -4r = -3r
-12 + -3r = -3r + -2r

Combine like terms: -3r + -2r = -5r
-12 + -3r = -5r

Solving
-12 + -3r = -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.
-12 + -3r + 5r = -5r + 5r

Combine like terms: -3r + 5r = 2r
-12 + 2r = -5r + 5r

Combine like terms: -5r + 5r = 0
-12 + 2r = 0

Add '12' to each side of the equation.
-12 + 12 + 2r = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 2r = 0 + 12
2r = 0 + 12

Combine like terms: 0 + 12 = 12
2r = 12

Divide each side by '2'.
r = 6

Simplifying
r = 6

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