X+(x+20)=200

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Solution for X+(x+20)=200 equation:


Simplifying
X + (x + 20) = 200

Reorder the terms:
X + (20 + x) = 200

Remove parenthesis around (20 + x)
X + 20 + x = 200

Reorder the terms:
20 + X + x = 200

Solving
20 + X + x = 200

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + X + -20 + x = 200 + -20

Reorder the terms:
20 + -20 + X + x = 200 + -20

Combine like terms: 20 + -20 = 0
0 + X + x = 200 + -20
X + x = 200 + -20

Combine like terms: 200 + -20 = 180
X + x = 180

Add '-1x' to each side of the equation.
X + x + -1x = 180 + -1x

Combine like terms: x + -1x = 0
X + 0 = 180 + -1x
X = 180 + -1x

Simplifying
X = 180 + -1x

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