-1r+9=6

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Solution for -1r+9=6 equation: 


Simplifying
-1r + 9 = 6

Reorder the terms:
9 + -1r = 6

Solving
9 + -1r = 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 + -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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