3r+-9=6

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Solution for 3r+-9=6 equation: 


Simplifying
3r + -9 = 6

Reorder the terms:
-9 + 3r = 6

Solving
-9 + 3r = 6

Solving for variable 'r'.

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

Add '9' to each side of the equation.
-9 + 9 + 3r = 6 + 9

Combine like terms: -9 + 9 = 0
0 + 3r = 6 + 9
3r = 6 + 9

Combine like terms: 6 + 9 = 15
3r = 15

Divide each side by '3'.
r = 5

Simplifying
r = 5

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