-9(9r+5)+11r=-5(9+5r)

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Solution for -9(9r+5)+11r=-5(9+5r) equation:


Simplifying
-9(9r + 5) + 11r = -5(9 + 5r)

Reorder the terms:
-9(5 + 9r) + 11r = -5(9 + 5r)
(5 * -9 + 9r * -9) + 11r = -5(9 + 5r)
(-45 + -81r) + 11r = -5(9 + 5r)

Combine like terms: -81r + 11r = -70r
-45 + -70r = -5(9 + 5r)
-45 + -70r = (9 * -5 + 5r * -5)
-45 + -70r = (-45 + -25r)

Add '45' to each side of the equation.
-45 + 45 + -70r = -45 + 45 + -25r

Combine like terms: -45 + 45 = 0
0 + -70r = -45 + 45 + -25r
-70r = -45 + 45 + -25r

Combine like terms: -45 + 45 = 0
-70r = 0 + -25r
-70r = -25r

Solving
-70r = -25r

Solving for variable 'r'.

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

Add '25r' to each side of the equation.
-70r + 25r = -25r + 25r

Combine like terms: -70r + 25r = -45r
-45r = -25r + 25r

Combine like terms: -25r + 25r = 0
-45r = 0

Divide each side by '-45'.
r = 0

Simplifying
r = 0

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