3(x+1.2)+2(6.3-x)=0

Solution for 3(x+1.2)+2(6.3-x)=0 equation:

Simplifying
3(x + 1.2) + 2(6.3 + -1x) = 0

Reorder the terms:
3(1.2 + x) + 2(6.3 + -1x) = 0
(1.2 * 3 + x * 3) + 2(6.3 + -1x) = 0
(3.6 + 3x) + 2(6.3 + -1x) = 0
3.6 + 3x + (6.3 * 2 + -1x * 2) = 0
3.6 + 3x + (12.6 + -2x) = 0

Reorder the terms:
3.6 + 12.6 + 3x + -2x = 0

Combine like terms: 3.6 + 12.6 = 16.2
16.2 + 3x + -2x = 0

Combine like terms: 3x + -2x = 1x
16.2 + 1x = 0

Solving
16.2 + 1x = 0

Solving for variable 'x'.

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

Add '-16.2' to each side of the equation.
16.2 + -16.2 + 1x = 0 + -16.2

Combine like terms: 16.2 + -16.2 = 0.0
0.0 + 1x = 0 + -16.2
1x = 0 + -16.2

Combine like terms: 0 + -16.2 = -16.2
1x = -16.2

Divide each side by '1'.
x = -16.2

Simplifying
x = -16.2