28-2x-1=4

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Solution for 28-2x-1=4 equation:


Simplifying
28 + -2x + -1 = 4

Reorder the terms:
28 + -1 + -2x = 4

Combine like terms: 28 + -1 = 27
27 + -2x = 4

Solving
27 + -2x = 4

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + -2x = 4 + -27

Combine like terms: 27 + -27 = 0
0 + -2x = 4 + -27
-2x = 4 + -27

Combine like terms: 4 + -27 = -23
-2x = -23

Divide each side by '-2'.
x = 11.5

Simplifying
x = 11.5

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