3r-8+6r+9=

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Solution for 3r-8+6r+9= equation:


Simplifying
3r + -8 + 6r + 9 = 0

Reorder the terms:
-8 + 9 + 3r + 6r = 0

Combine like terms: -8 + 9 = 1
1 + 3r + 6r = 0

Combine like terms: 3r + 6r = 9r
1 + 9r = 0

Solving
1 + 9r = 0

Solving for variable 'r'.

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

Add '-1' to each side of the equation.
1 + -1 + 9r = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 9r = 0 + -1
9r = 0 + -1

Combine like terms: 0 + -1 = -1
9r = -1

Divide each side by '9'.
r = -0.1111111111

Simplifying
r = -0.1111111111

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