9=-17-3r

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Solution for 9=-17-3r equation:


Simplifying
9 = -17 + -3r

Solving
9 = -17 + -3r

Solving for variable 'r'.

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

Add '3r' to each side of the equation.
9 + 3r = -17 + -3r + 3r

Combine like terms: -3r + 3r = 0
9 + 3r = -17 + 0
9 + 3r = -17

Add '-9' to each side of the equation.
9 + -9 + 3r = -17 + -9

Combine like terms: 9 + -9 = 0
0 + 3r = -17 + -9
3r = -17 + -9

Combine like terms: -17 + -9 = -26
3r = -26

Divide each side by '3'.
r = -8.666666667

Simplifying
r = -8.666666667

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