42-3x=18x

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Solution for 42-3x=18x equation:


Simplifying
42 + -3x = 18x

Solving
42 + -3x = 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
42 + -3x + -18x = 18x + -18x

Combine like terms: -3x + -18x = -21x
42 + -21x = 18x + -18x

Combine like terms: 18x + -18x = 0
42 + -21x = 0

Add '-42' to each side of the equation.
42 + -42 + -21x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -21x = 0 + -42
-21x = 0 + -42

Combine like terms: 0 + -42 = -42
-21x = -42

Divide each side by '-21'.
x = 2

Simplifying
x = 2

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