9+5r=-17+-8r

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Solution for 9+5r=-17+-8r equation:


Simplifying
9 + 5r = -17 + -8r

Solving
9 + 5r = -17 + -8r

Solving for variable 'r'.

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

Add '8r' to each side of the equation.
9 + 5r + 8r = -17 + -8r + 8r

Combine like terms: 5r + 8r = 13r
9 + 13r = -17 + -8r + 8r

Combine like terms: -8r + 8r = 0
9 + 13r = -17 + 0
9 + 13r = -17

Add '-9' to each side of the equation.
9 + -9 + 13r = -17 + -9

Combine like terms: 9 + -9 = 0
0 + 13r = -17 + -9
13r = -17 + -9

Combine like terms: -17 + -9 = -26
13r = -26

Divide each side by '13'.
r = -2

Simplifying
r = -2

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