3(14-a)=9a

Solution for 3(14-a)=9a equation:

Simplifying
3(14 + -1a) = 9a
(14 * 3 + -1a * 3) = 9a
(42 + -3a) = 9a

Solving
42 + -3a = 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
42 + -3a + -9a = 9a + -9a

Combine like terms: -3a + -9a = -12a
42 + -12a = 9a + -9a

Combine like terms: 9a + -9a = 0
42 + -12a = 0

Add '-42' to each side of the equation.
42 + -42 + -12a = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -12a = 0 + -42
-12a = 0 + -42

Combine like terms: 0 + -42 = -42
-12a = -42

Divide each side by '-12'.
a = 3.5

Simplifying
a = 3.5