3r+8-9r=

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Solution for 3r+8-9r= equation:


Simplifying
3r + 8 + -9r = 0

Reorder the terms:
8 + 3r + -9r = 0

Combine like terms: 3r + -9r = -6r
8 + -6r = 0

Solving
8 + -6r = 0

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + -6r = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -6r = 0 + -8
-6r = 0 + -8

Combine like terms: 0 + -8 = -8
-6r = -8

Divide each side by '-6'.
r = 1.333333333

Simplifying
r = 1.333333333

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