8r-9=-6+9r

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


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

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

Solving
-9 + 8r = -6 + 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
-9 + 8r + -9r = -6 + 9r + -9r

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

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

Add '9' to each side of the equation.
-9 + 9 + -1r = -6 + 9

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

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

Divide each side by '-1'.
r = -3

Simplifying
r = -3

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