9=-6+r

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Solution for 9=-6+r equation: 


Simplifying
9 = -6 + r

Solving
9 = -6 + 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.
9 + -1r = -6 + r + -1r

Combine like terms: r + -1r = 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 = -15
-1r = -15

Divide each side by '-1'.
r = 15

Simplifying
r = 15

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