-3r+-7=-16

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Solution for -3r+-7=-16 equation: 


Simplifying
-3r + -7 = -16

Reorder the terms:
-7 + -3r = -16

Solving
-7 + -3r = -16

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + -3r = -16 + 7

Combine like terms: -7 + 7 = 0
0 + -3r = -16 + 7
-3r = -16 + 7

Combine like terms: -16 + 7 = -9
-3r = -9

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

Simplifying
r = 3

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