7r+9r-3=

Solution for 7r+9r-3= equation:

Simplifying
7r + 9r + -3 = 0

Reorder the terms:
-3 + 7r + 9r = 0

Combine like terms: 7r + 9r = 16r
-3 + 16r = 0

Solving
-3 + 16r = 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 + 16r = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 16r = 0 + 3
16r = 0 + 3

Combine like terms: 0 + 3 = 3
16r = 3

Divide each side by '16'.
r = 0.1875

Simplifying
r = 0.1875