-3r+4=31

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Solution for -3r+4=31 equation: 


Simplifying
-3r + 4 = 31

Reorder the terms:
4 + -3r = 31

Solving
4 + -3r = 31

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 + -3r = 31 + -4

Combine like terms: 4 + -4 = 0
0 + -3r = 31 + -4
-3r = 31 + -4

Combine like terms: 31 + -4 = 27
-3r = 27

Divide each side by '-3'.
r = -9

Simplifying
r = -9

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