3(4a+3b+a-5b)=

Solution for 3(4a+3b+a-5b)= equation:

Simplifying
3(4a + 3b + a + -5b) = 0

Reorder the terms:
3(4a + a + 3b + -5b) = 0

Combine like terms: 4a + a = 5a
3(5a + 3b + -5b) = 0

Combine like terms: 3b + -5b = -2b
3(5a + -2b) = 0
(5a * 3 + -2b * 3) = 0
(15a + -6b) = 0

Solving
15a + -6b = 0

Solving for variable 'a'.

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

Add '6b' to each side of the equation.
15a + -6b + 6b = 0 + 6b

Combine like terms: -6b + 6b = 0
15a + 0 = 0 + 6b
15a = 0 + 6b
Remove the zero:
15a = 6b

Divide each side by '15'.
a = 0.4b

Simplifying
a = 0.4b