240-3x=42x+20

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Solution for 240-3x=42x+20 equation:


Simplifying
240 + -3x = 42x + 20

Reorder the terms:
240 + -3x = 20 + 42x

Solving
240 + -3x = 20 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
240 + -3x + -42x = 20 + 42x + -42x

Combine like terms: -3x + -42x = -45x
240 + -45x = 20 + 42x + -42x

Combine like terms: 42x + -42x = 0
240 + -45x = 20 + 0
240 + -45x = 20

Add '-240' to each side of the equation.
240 + -240 + -45x = 20 + -240

Combine like terms: 240 + -240 = 0
0 + -45x = 20 + -240
-45x = 20 + -240

Combine like terms: 20 + -240 = -220
-45x = -220

Divide each side by '-45'.
x = 4.888888889

Simplifying
x = 4.888888889

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