(3-a).2+a=

Solution for (3-a).2+a= equation:

Simplifying
(3 + -1a) * 0.2 + a = 0

Reorder the terms for easier multiplication:
0.2(3 + -1a) + a = 0
(3 * 0.2 + -1a * 0.2) + a = 0
(0.6 + -0.2a) + a = 0

Combine like terms: -0.2a + a = 0.8a
0.6 + 0.8a = 0

Solving
0.6 + 0.8a = 0

Solving for variable 'a'.

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

Add '-0.6' to each side of the equation.
0.6 + -0.6 + 0.8a = 0 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + 0.8a = 0 + -0.6
0.8a = 0 + -0.6

Combine like terms: 0 + -0.6 = -0.6
0.8a = -0.6

Divide each side by '0.8'.
a = -0.75

Simplifying
a = -0.75