5r+8r+9r-4=

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Solution for 5r+8r+9r-4= equation:


Simplifying
5r + 8r + 9r + -4 = 0

Reorder the terms:
-4 + 5r + 8r + 9r = 0

Combine like terms: 5r + 8r = 13r
-4 + 13r + 9r = 0

Combine like terms: 13r + 9r = 22r
-4 + 22r = 0

Solving
-4 + 22r = 0

Solving for variable 'r'.

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

Add '4' to each side of the equation.
-4 + 4 + 22r = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 22r = 0 + 4
22r = 0 + 4

Combine like terms: 0 + 4 = 4
22r = 4

Divide each side by '22'.
r = 0.1818181818

Simplifying
r = 0.1818181818

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