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

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


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

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

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

Combine like terms: 6 + 6 = 12
9 + -9r = 12 + -8r

Solving
9 + -9r = 12 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
9 + -9r + 8r = 12 + -8r + 8r

Combine like terms: -9r + 8r = -1r
9 + -1r = 12 + -8r + 8r

Combine like terms: -8r + 8r = 0
9 + -1r = 12 + 0
9 + -1r = 12

Add '-9' to each side of the equation.
9 + -9 + -1r = 12 + -9

Combine like terms: 9 + -9 = 0
0 + -1r = 12 + -9
-1r = 12 + -9

Combine like terms: 12 + -9 = 3
-1r = 3

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

Simplifying
r = -3

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