42x=50x-20x

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Solution for 42x=50x-20x equation: 


Simplifying
42x = 50x + -20x

Combine like terms: 50x + -20x = 30x
42x = 30x

Solving
42x = 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
42x + -30x = 30x + -30x

Combine like terms: 42x + -30x = 12x
12x = 30x + -30x

Combine like terms: 30x + -30x = 0
12x = 0

Divide each side by '12'.
x = 0

Simplifying
x = 0

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