7x+120+2x=3x+200

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Solution for 7x+120+2x=3x+200 equation:


Simplifying
7x + 120 + 2x = 3x + 200

Reorder the terms:
120 + 7x + 2x = 3x + 200

Combine like terms: 7x + 2x = 9x
120 + 9x = 3x + 200

Reorder the terms:
120 + 9x = 200 + 3x

Solving
120 + 9x = 200 + 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.
120 + 9x + -3x = 200 + 3x + -3x

Combine like terms: 9x + -3x = 6x
120 + 6x = 200 + 3x + -3x

Combine like terms: 3x + -3x = 0
120 + 6x = 200 + 0
120 + 6x = 200

Add '-120' to each side of the equation.
120 + -120 + 6x = 200 + -120

Combine like terms: 120 + -120 = 0
0 + 6x = 200 + -120
6x = 200 + -120

Combine like terms: 200 + -120 = 80
6x = 80

Divide each side by '6'.
x = 13.33333333

Simplifying
x = 13.33333333

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