X+(-y-z-3)=

Solution for X+(-y-z-3)= equation:

Simplifying
X + (-1y + -1z + -3) = 0

Reorder the terms:
X + (-3 + -1y + -1z) = 0

Remove parenthesis around (-3 + -1y + -1z)
X + -3 + -1y + -1z = 0

Reorder the terms:
-3 + X + -1y + -1z = 0

Solving
-3 + X + -1y + -1z = 0

Solving for variable 'X'.

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

Add '3' to each side of the equation.
-3 + X + -1y + 3 + -1z = 0 + 3

Reorder the terms:
-3 + 3 + X + -1y + -1z = 0 + 3

Combine like terms: -3 + 3 = 0
0 + X + -1y + -1z = 0 + 3
X + -1y + -1z = 0 + 3

Combine like terms: 0 + 3 = 3
X + -1y + -1z = 3

Add 'y' to each side of the equation.
X + -1y + y + -1z = 3 + y

Combine like terms: -1y + y = 0
X + 0 + -1z = 3 + y
X + -1z = 3 + y

Add 'z' to each side of the equation.
X + -1z + z = 3 + y + z

Combine like terms: -1z + z = 0
X + 0 = 3 + y + z
X = 3 + y + z

Simplifying
X = 3 + y + z