X+x-10=20

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Solution for X+x-10=20 equation:


Simplifying
X + x + -10 = 20

Reorder the terms:
-10 + X + x = 20

Solving
-10 + X + x = 20

Solving for variable 'X'.

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

Add '10' to each side of the equation.
-10 + X + 10 + x = 20 + 10

Reorder the terms:
-10 + 10 + X + x = 20 + 10

Combine like terms: -10 + 10 = 0
0 + X + x = 20 + 10
X + x = 20 + 10

Combine like terms: 20 + 10 = 30
X + x = 30

Add '-1x' to each side of the equation.
X + x + -1x = 30 + -1x

Combine like terms: x + -1x = 0
X + 0 = 30 + -1x
X = 30 + -1x

Simplifying
X = 30 + -1x

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