X+6+x=315

Solution for X+6+x=315 equation:

Simplifying
X + 6 + x = 315

Reorder the terms:
6 + X + x = 315

Solving
6 + X + x = 315

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 + X + -6 + x = 315 + -6

Reorder the terms:
6 + -6 + X + x = 315 + -6

Combine like terms: 6 + -6 = 0
0 + X + x = 315 + -6
X + x = 315 + -6

Combine like terms: 315 + -6 = 309
X + x = 309

Add '-1x' to each side of the equation.
X + x + -1x = 309 + -1x

Combine like terms: x + -1x = 0
X + 0 = 309 + -1x
X = 309 + -1x

Simplifying
X = 309 + -1x