-3(5r+9)=-4r-9

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Solution for -3(5r+9)=-4r-9 equation:


Simplifying
-3(5r + 9) = -4r + -9

Reorder the terms:
-3(9 + 5r) = -4r + -9
(9 * -3 + 5r * -3) = -4r + -9
(-27 + -15r) = -4r + -9

Reorder the terms:
-27 + -15r = -9 + -4r

Solving
-27 + -15r = -9 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
-27 + -15r + 4r = -9 + -4r + 4r

Combine like terms: -15r + 4r = -11r
-27 + -11r = -9 + -4r + 4r

Combine like terms: -4r + 4r = 0
-27 + -11r = -9 + 0
-27 + -11r = -9

Add '27' to each side of the equation.
-27 + 27 + -11r = -9 + 27

Combine like terms: -27 + 27 = 0
0 + -11r = -9 + 27
-11r = -9 + 27

Combine like terms: -9 + 27 = 18
-11r = 18

Divide each side by '-11'.
r = -1.636363636

Simplifying
r = -1.636363636

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