9+r=-3

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Solution for 9+r=-3 equation: 


Simplifying
9 + r = -3

Solving
9 + r = -3

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 + r = -3 + -9

Combine like terms: 9 + -9 = 0
0 + r = -3 + -9
r = -3 + -9

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

Simplifying
r = -12

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