-6=r-9

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Solution for -6=r-9 equation:


Simplifying
-6 = r + -9

Reorder the terms:
-6 = -9 + r

Solving
-6 = -9 + r

Solving for variable 'r'.

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

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

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

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

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

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

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

Simplifying
r = 3

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