120x-40=400

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Solution for 120x-40=400 equation: 


Simplifying
120x + -40 = 400

Reorder the terms:
-40 + 120x = 400

Solving
-40 + 120x = 400

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 120x = 400 + 40

Combine like terms: -40 + 40 = 0
0 + 120x = 400 + 40
120x = 400 + 40

Combine like terms: 400 + 40 = 440
120x = 440

Divide each side by '120'.
x = 3.666666667

Simplifying
x = 3.666666667

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