2r+4=-16

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Solution for 2r+4=-16 equation: 


Simplifying
2r + 4 = -16

Reorder the terms:
4 + 2r = -16

Solving
4 + 2r = -16

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 2r = -16 + -4

Combine like terms: 4 + -4 = 0
0 + 2r = -16 + -4
2r = -16 + -4

Combine like terms: -16 + -4 = -20
2r = -20

Divide each side by '2'.
r = -10

Simplifying
r = -10

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