(X+4)+(X+3)+(X-1)=19

Solution for (X+4)+(X+3)+(X-1)=19 equation:

Simplifying
(X + 4) + (X + 3) + (X + -1) = 19

Reorder the terms:
(4 + X) + (X + 3) + (X + -1) = 19

Remove parenthesis around (4 + X)
4 + X + (X + 3) + (X + -1) = 19

Reorder the terms:
4 + X + (3 + X) + (X + -1) = 19

Remove parenthesis around (3 + X)
4 + X + 3 + X + (X + -1) = 19

Reorder the terms:
4 + X + 3 + X + (-1 + X) = 19

Remove parenthesis around (-1 + X)
4 + X + 3 + X + -1 + X = 19

Reorder the terms:
4 + 3 + -1 + X + X + X = 19

Combine like terms: 4 + 3 = 7
7 + -1 + X + X + X = 19

Combine like terms: 7 + -1 = 6
6 + X + X + X = 19

Combine like terms: X + X = 2X
6 + 2X + X = 19

Combine like terms: 2X + X = 3X
6 + 3X = 19

Solving
6 + 3X = 19

Solving for variable 'X'.

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

Add '-6' to each side of the equation.
6 + -6 + 3X = 19 + -6

Combine like terms: 6 + -6 = 0
0 + 3X = 19 + -6
3X = 19 + -6

Combine like terms: 19 + -6 = 13
3X = 13

Divide each side by '3'.
X = 4.333333333

Simplifying
X = 4.333333333