2x+42=9x

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Solution for 2x+42=9x equation:


Simplifying
2x + 42 = 9x

Reorder the terms:
42 + 2x = 9x

Solving
42 + 2x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
42 + 2x + -9x = 9x + -9x

Combine like terms: 2x + -9x = -7x
42 + -7x = 9x + -9x

Combine like terms: 9x + -9x = 0
42 + -7x = 0

Add '-42' to each side of the equation.
42 + -42 + -7x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -7x = 0 + -42
-7x = 0 + -42

Combine like terms: 0 + -42 = -42
-7x = -42

Divide each side by '-7'.
x = 6

Simplifying
x = 6

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