3r-4=-19

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Solution for 3r-4=-19 equation: 


Simplifying
3r + -4 = -19

Reorder the terms:
-4 + 3r = -19

Solving
-4 + 3r = -19

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 = -19 + 4

Combine like terms: -4 + 4 = 0
0 + 3r = -19 + 4
3r = -19 + 4

Combine like terms: -19 + 4 = -15
3r = -15

Divide each side by '3'.
r = -5

Simplifying
r = -5

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