2x-4x+9=140

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Solution for 2x-4x+9=140 equation: 


Simplifying
2x + -4x + 9 = 140

Reorder the terms:
9 + 2x + -4x = 140

Combine like terms: 2x + -4x = -2x
9 + -2x = 140

Solving
9 + -2x = 140

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -2x = 140 + -9

Combine like terms: 9 + -9 = 0
0 + -2x = 140 + -9
-2x = 140 + -9

Combine like terms: 140 + -9 = 131
-2x = 131

Divide each side by '-2'.
x = -65.5

Simplifying
x = -65.5

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