8r-5+3r=4r+9

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Solution for 8r-5+3r=4r+9 equation:


Simplifying
8r + -5 + 3r = 4r + 9

Reorder the terms:
-5 + 8r + 3r = 4r + 9

Combine like terms: 8r + 3r = 11r
-5 + 11r = 4r + 9

Reorder the terms:
-5 + 11r = 9 + 4r

Solving
-5 + 11r = 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.
-5 + 11r + -4r = 9 + 4r + -4r

Combine like terms: 11r + -4r = 7r
-5 + 7r = 9 + 4r + -4r

Combine like terms: 4r + -4r = 0
-5 + 7r = 9 + 0
-5 + 7r = 9

Add '5' to each side of the equation.
-5 + 5 + 7r = 9 + 5

Combine like terms: -5 + 5 = 0
0 + 7r = 9 + 5
7r = 9 + 5

Combine like terms: 9 + 5 = 14
7r = 14

Divide each side by '7'.
r = 2

Simplifying
r = 2

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