3x-42=5x

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Solution for 3x-42=5x equation:


Simplifying
3x + -42 = 5x

Reorder the terms:
-42 + 3x = 5x

Solving
-42 + 3x = 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-42 + 3x + -5x = 5x + -5x

Combine like terms: 3x + -5x = -2x
-42 + -2x = 5x + -5x

Combine like terms: 5x + -5x = 0
-42 + -2x = 0

Add '42' to each side of the equation.
-42 + 42 + -2x = 0 + 42

Combine like terms: -42 + 42 = 0
0 + -2x = 0 + 42
-2x = 0 + 42

Combine like terms: 0 + 42 = 42
-2x = 42

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

Simplifying
x = -21

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