900-120=4x+120-120

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Solution for 900-120=4x+120-120 equation: 


Simplifying
900 + -120 = 4x + 120 + -120

Combine like terms: 900 + -120 = 780
780 = 4x + 120 + -120

Reorder the terms:
780 = 120 + -120 + 4x

Combine like terms: 120 + -120 = 0
780 = 0 + 4x
780 = 4x

Solving
780 = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
780 + -4x = 4x + -4x

Combine like terms: 4x + -4x = 0
780 + -4x = 0

Add '-780' to each side of the equation.
780 + -780 + -4x = 0 + -780

Combine like terms: 780 + -780 = 0
0 + -4x = 0 + -780
-4x = 0 + -780

Combine like terms: 0 + -780 = -780
-4x = -780

Divide each side by '-4'.
x = 195

Simplifying
x = 195

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