2x+(-1)=-9

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Solution for 2x+(-1)=-9 equation: 


Simplifying
2x + (-1) = -9
2x + -1 = -9

Reorder the terms:
-1 + 2x = -9

Solving
-1 + 2x = -9

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 2x = -9 + 1

Combine like terms: -1 + 1 = 0
0 + 2x = -9 + 1
2x = -9 + 1

Combine like terms: -9 + 1 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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