2x+(x+100)=1200

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Solution for 2x+(x+100)=1200 equation:


Simplifying
2x + (x + 100) = 1200

Reorder the terms:
2x + (100 + x) = 1200

Remove parenthesis around (100 + x)
2x + 100 + x = 1200

Reorder the terms:
100 + 2x + x = 1200

Combine like terms: 2x + x = 3x
100 + 3x = 1200

Solving
100 + 3x = 1200

Solving for variable 'x'.

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

Add '-100' to each side of the equation.
100 + -100 + 3x = 1200 + -100

Combine like terms: 100 + -100 = 0
0 + 3x = 1200 + -100
3x = 1200 + -100

Combine like terms: 1200 + -100 = 1100
3x = 1100

Divide each side by '3'.
x = 366.6666667

Simplifying
x = 366.6666667

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