5r+4r-5=11

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Solution for 5r+4r-5=11 equation:


Simplifying
5r + 4r + -5 = 11

Reorder the terms:
-5 + 5r + 4r = 11

Combine like terms: 5r + 4r = 9r
-5 + 9r = 11

Solving
-5 + 9r = 11

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + 9r = 11 + 5

Combine like terms: -5 + 5 = 0
0 + 9r = 11 + 5
9r = 11 + 5

Combine like terms: 11 + 5 = 16
9r = 16

Divide each side by '9'.
r = 1.777777778

Simplifying
r = 1.777777778

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