X+9+x=13

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Solution for X+9+x=13 equation:


Simplifying
X + 9 + x = 13

Reorder the terms:
9 + X + x = 13

Solving
9 + X + x = 13

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + X + -9 + x = 13 + -9

Reorder the terms:
9 + -9 + X + x = 13 + -9

Combine like terms: 9 + -9 = 0
0 + X + x = 13 + -9
X + x = 13 + -9

Combine like terms: 13 + -9 = 4
X + x = 4

Add '-1x' to each side of the equation.
X + x + -1x = 4 + -1x

Combine like terms: x + -1x = 0
X + 0 = 4 + -1x
X = 4 + -1x

Simplifying
X = 4 + -1x

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