3+15a+18b=

Solution for 3+15a+18b= equation:

Simplifying
3 + 15a + 18b = 0

Solving
3 + 15a + 18b = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + 15a + -3 + 18b = 0 + -3

Reorder the terms:
3 + -3 + 15a + 18b = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 15a + 18b = 0 + -3
15a + 18b = 0 + -3

Combine like terms: 0 + -3 = -3
15a + 18b = -3

Add '-18b' to each side of the equation.
15a + 18b + -18b = -3 + -18b

Combine like terms: 18b + -18b = 0
15a + 0 = -3 + -18b
15a = -3 + -18b

Divide each side by '15'.
a = -0.2 + -1.2b

Simplifying
a = -0.2 + -1.2b