5-2x-1=12

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Solution for 5-2x-1=12 equation: 


Simplifying
5 + -2x + -1 = 12

Reorder the terms:
5 + -1 + -2x = 12

Combine like terms: 5 + -1 = 4
4 + -2x = 12

Solving
4 + -2x = 12

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -2x = 12 + -4

Combine like terms: 4 + -4 = 0
0 + -2x = 12 + -4
-2x = 12 + -4

Combine like terms: 12 + -4 = 8
-2x = 8

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

Simplifying
x = -4

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