3r+3-6=-18

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Solution for 3r+3-6=-18 equation: 


Simplifying
3r + 3 + -6 = -18

Reorder the terms:
3 + -6 + 3r = -18

Combine like terms: 3 + -6 = -3
-3 + 3r = -18

Solving
-3 + 3r = -18

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 3r = -18 + 3

Combine like terms: -3 + 3 = 0
0 + 3r = -18 + 3
3r = -18 + 3

Combine like terms: -18 + 3 = -15
3r = -15

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

Simplifying
r = -5

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