6=x+(x+1.5)

Solution for 6=x+(x+1.5) equation:

Simplifying
6 = x + (x + 1.5)

Reorder the terms:
6 = x + (1.5 + x)

Remove parenthesis around (1.5 + x)
6 = x + 1.5 + x

Reorder the terms:
6 = 1.5 + x + x

Combine like terms: x + x = 2x
6 = 1.5 + 2x

Solving
6 = 1.5 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
6 + -2x = 1.5 + 2x + -2x

Combine like terms: 2x + -2x = 0
6 + -2x = 1.5 + 0
6 + -2x = 1.5

Add '-6' to each side of the equation.
6 + -6 + -2x = 1.5 + -6

Combine like terms: 6 + -6 = 0
0 + -2x = 1.5 + -6
-2x = 1.5 + -6

Combine like terms: 1.5 + -6 = -4.5
-2x = -4.5

Divide each side by '-2'.
x = 2.25

Simplifying
x = 2.25