3x+3.0=x+4.2

Solution for 3x+3.0=x+4.2 equation:

Simplifying
3x + 3.0 = x + 4.2

Reorder the terms:
3.0 + 3x = x + 4.2

Reorder the terms:
3.0 + 3x = 4.2 + x

Solving
3.0 + 3x = 4.2 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3.0 + 3x + -1x = 4.2 + x + -1x

Combine like terms: 3x + -1x = 2x
3.0 + 2x = 4.2 + x + -1x

Combine like terms: x + -1x = 0
3.0 + 2x = 4.2 + 0
3.0 + 2x = 4.2

Add '-3.0' to each side of the equation.
3.0 + -3.0 + 2x = 4.2 + -3.0

Combine like terms: 3.0 + -3.0 = 0.0
0.0 + 2x = 4.2 + -3.0
2x = 4.2 + -3.0

Combine like terms: 4.2 + -3.0 = 1.2
2x = 1.2

Divide each side by '2'.
x = 0.6

Simplifying
x = 0.6