2x+42=5x-9

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Solution for 2x+42=5x-9 equation:


Simplifying
2x + 42 = 5x + -9

Reorder the terms:
42 + 2x = 5x + -9

Reorder the terms:
42 + 2x = -9 + 5x

Solving
42 + 2x = -9 + 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 + 2x + -5x = -9 + 5x + -5x

Combine like terms: 2x + -5x = -3x
42 + -3x = -9 + 5x + -5x

Combine like terms: 5x + -5x = 0
42 + -3x = -9 + 0
42 + -3x = -9

Add '-42' to each side of the equation.
42 + -42 + -3x = -9 + -42

Combine like terms: 42 + -42 = 0
0 + -3x = -9 + -42
-3x = -9 + -42

Combine like terms: -9 + -42 = -51
-3x = -51

Divide each side by '-3'.
x = 17

Simplifying
x = 17

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