2.6+8.7x=x+30.9

Solution for 2.6+8.7x=x+30.9 equation:

Simplifying
2.6 + 8.7x = x + 30.9

Reorder the terms:
2.6 + 8.7x = 30.9 + x

Solving
2.6 + 8.7x = 30.9 + 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.
2.6 + 8.7x + -1x = 30.9 + x + -1x

Combine like terms: 8.7x + -1x = 7.7x
2.6 + 7.7x = 30.9 + x + -1x

Combine like terms: x + -1x = 0
2.6 + 7.7x = 30.9 + 0
2.6 + 7.7x = 30.9

Add '-2.6' to each side of the equation.
2.6 + -2.6 + 7.7x = 30.9 + -2.6

Combine like terms: 2.6 + -2.6 = 0.0
0.0 + 7.7x = 30.9 + -2.6
7.7x = 30.9 + -2.6

Combine like terms: 30.9 + -2.6 = 28.3
7.7x = 28.3

Divide each side by '7.7'.
x = 3.675324675

Simplifying
x = 3.675324675