17-5r+9r=-12+6r-1

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Solution for 17-5r+9r=-12+6r-1 equation: 


Simplifying
17 + -5r + 9r = -12 + 6r + -1

Combine like terms: -5r + 9r = 4r
17 + 4r = -12 + 6r + -1

Reorder the terms:
17 + 4r = -12 + -1 + 6r

Combine like terms: -12 + -1 = -13
17 + 4r = -13 + 6r

Solving
17 + 4r = -13 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
17 + 4r + -6r = -13 + 6r + -6r

Combine like terms: 4r + -6r = -2r
17 + -2r = -13 + 6r + -6r

Combine like terms: 6r + -6r = 0
17 + -2r = -13 + 0
17 + -2r = -13

Add '-17' to each side of the equation.
17 + -17 + -2r = -13 + -17

Combine like terms: 17 + -17 = 0
0 + -2r = -13 + -17
-2r = -13 + -17

Combine like terms: -13 + -17 = -30
-2r = -30

Divide each side by '-2'.
r = 15

Simplifying
r = 15

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