3.18x+2.6+0.9x+x=28

Solution for 3.18x+2.6+0.9x+x=28 equation:

Simplifying
3.18x + 2.6 + 0.9x + x = 28

Reorder the terms:
2.6 + 3.18x + 0.9x + x = 28

Combine like terms: 3.18x + 0.9x = 4.08x
2.6 + 4.08x + x = 28

Combine like terms: 4.08x + x = 5.08x
2.6 + 5.08x = 28

Solving
2.6 + 5.08x = 28

Solving for variable 'x'.

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

Add '-2.6' to each side of the equation.
2.6 + -2.6 + 5.08x = 28 + -2.6

Combine like terms: 2.6 + -2.6 = 0.0
0.0 + 5.08x = 28 + -2.6
5.08x = 28 + -2.6

Combine like terms: 28 + -2.6 = 25.4
5.08x = 25.4

Divide each side by '5.08'.
x = 5

Simplifying
x = 5