x+(x+2)=3.78

Solution for x+(x+2)=3.78 equation:

Simplifying
x + (x + 2) = 3.78

Reorder the terms:
x + (2 + x) = 3.78

Remove parenthesis around (2 + x)
x + 2 + x = 3.78

Reorder the terms:
2 + x + x = 3.78

Combine like terms: x + x = 2x
2 + 2x = 3.78

Solving
2 + 2x = 3.78

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 2x = 3.78 + -2

Combine like terms: 2 + -2 = 0
0 + 2x = 3.78 + -2
2x = 3.78 + -2

Combine like terms: 3.78 + -2 = 1.78
2x = 1.78

Divide each side by '2'.
x = 0.89

Simplifying
x = 0.89