8r+9r+4r-3=

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


Simplifying
8r + 9r + 4r + -3 = 0

Reorder the terms:
-3 + 8r + 9r + 4r = 0

Combine like terms: 8r + 9r = 17r
-3 + 17r + 4r = 0

Combine like terms: 17r + 4r = 21r
-3 + 21r = 0

Solving
-3 + 21r = 0

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 21r = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 21r = 0 + 3
21r = 0 + 3

Combine like terms: 0 + 3 = 3
21r = 3

Divide each side by '21'.
r = 0.1428571429

Simplifying
r = 0.1428571429

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