3r+8=-4

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Solution for 3r+8=-4 equation: 


Simplifying
3r + 8 = -4

Reorder the terms:
8 + 3r = -4

Solving
8 + 3r = -4

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + 3r = -4 + -8

Combine like terms: 8 + -8 = 0
0 + 3r = -4 + -8
3r = -4 + -8

Combine like terms: -4 + -8 = -12
3r = -12

Divide each side by '3'.
r = -4

Simplifying
r = -4

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