7x-80=2x+120

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Solution for 7x-80=2x+120 equation:


Simplifying
7x + -80 = 2x + 120

Reorder the terms:
-80 + 7x = 2x + 120

Reorder the terms:
-80 + 7x = 120 + 2x

Solving
-80 + 7x = 120 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-80 + 7x + -2x = 120 + 2x + -2x

Combine like terms: 7x + -2x = 5x
-80 + 5x = 120 + 2x + -2x

Combine like terms: 2x + -2x = 0
-80 + 5x = 120 + 0
-80 + 5x = 120

Add '80' to each side of the equation.
-80 + 80 + 5x = 120 + 80

Combine like terms: -80 + 80 = 0
0 + 5x = 120 + 80
5x = 120 + 80

Combine like terms: 120 + 80 = 200
5x = 200

Divide each side by '5'.
x = 40

Simplifying
x = 40

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