-2x+42=9

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Solution for -2x+42=9 equation: 


Simplifying
-2x + 42 = 9

Reorder the terms:
42 + -2x = 9

Solving
42 + -2x = 9

Solving for variable 'x'.

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

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

Combine like terms: 42 + -42 = 0
0 + -2x = 9 + -42
-2x = 9 + -42

Combine like terms: 9 + -42 = -33
-2x = -33

Divide each side by '-2'.
x = 16.5

Simplifying
x = 16.5

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