9-5(3r+20)+2r=17r+109

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Solution for 9-5(3r+20)+2r=17r+109 equation:


Simplifying
9 + -5(3r + 20) + 2r = 17r + 109

Reorder the terms:
9 + -5(20 + 3r) + 2r = 17r + 109
9 + (20 * -5 + 3r * -5) + 2r = 17r + 109
9 + (-100 + -15r) + 2r = 17r + 109

Combine like terms: 9 + -100 = -91
-91 + -15r + 2r = 17r + 109

Combine like terms: -15r + 2r = -13r
-91 + -13r = 17r + 109

Reorder the terms:
-91 + -13r = 109 + 17r

Solving
-91 + -13r = 109 + 17r

Solving for variable 'r'.

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

Add '-17r' to each side of the equation.
-91 + -13r + -17r = 109 + 17r + -17r

Combine like terms: -13r + -17r = -30r
-91 + -30r = 109 + 17r + -17r

Combine like terms: 17r + -17r = 0
-91 + -30r = 109 + 0
-91 + -30r = 109

Add '91' to each side of the equation.
-91 + 91 + -30r = 109 + 91

Combine like terms: -91 + 91 = 0
0 + -30r = 109 + 91
-30r = 109 + 91

Combine like terms: 109 + 91 = 200
-30r = 200

Divide each side by '-30'.
r = -6.666666667

Simplifying
r = -6.666666667

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