200=2x+(x+20)

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Solution for 200=2x+(x+20) equation:


Simplifying
200 = 2x + (x + 20)

Reorder the terms:
200 = 2x + (20 + x)

Remove parenthesis around (20 + x)
200 = 2x + 20 + x

Reorder the terms:
200 = 20 + 2x + x

Combine like terms: 2x + x = 3x
200 = 20 + 3x

Solving
200 = 20 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
200 + -3x = 20 + 3x + -3x

Combine like terms: 3x + -3x = 0
200 + -3x = 20 + 0
200 + -3x = 20

Add '-200' to each side of the equation.
200 + -200 + -3x = 20 + -200

Combine like terms: 200 + -200 = 0
0 + -3x = 20 + -200
-3x = 20 + -200

Combine like terms: 20 + -200 = -180
-3x = -180

Divide each side by '-3'.
x = 60

Simplifying
x = 60

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