120x-330=90x-240

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Solution for 120x-330=90x-240 equation:


Simplifying
120x + -330 = 90x + -240

Reorder the terms:
-330 + 120x = 90x + -240

Reorder the terms:
-330 + 120x = -240 + 90x

Solving
-330 + 120x = -240 + 90x

Solving for variable 'x'.

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

Add '-90x' to each side of the equation.
-330 + 120x + -90x = -240 + 90x + -90x

Combine like terms: 120x + -90x = 30x
-330 + 30x = -240 + 90x + -90x

Combine like terms: 90x + -90x = 0
-330 + 30x = -240 + 0
-330 + 30x = -240

Add '330' to each side of the equation.
-330 + 330 + 30x = -240 + 330

Combine like terms: -330 + 330 = 0
0 + 30x = -240 + 330
30x = -240 + 330

Combine like terms: -240 + 330 = 90
30x = 90

Divide each side by '30'.
x = 3

Simplifying
x = 3

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