20+27-x=x-4

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Solution for 20+27-x=x-4 equation:


Simplifying
20 + 27 + -1x = x + -4

Combine like terms: 20 + 27 = 47
47 + -1x = x + -4

Reorder the terms:
47 + -1x = -4 + x

Solving
47 + -1x = -4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
47 + -1x + -1x = -4 + x + -1x

Combine like terms: -1x + -1x = -2x
47 + -2x = -4 + x + -1x

Combine like terms: x + -1x = 0
47 + -2x = -4 + 0
47 + -2x = -4

Add '-47' to each side of the equation.
47 + -47 + -2x = -4 + -47

Combine like terms: 47 + -47 = 0
0 + -2x = -4 + -47
-2x = -4 + -47

Combine like terms: -4 + -47 = -51
-2x = -51

Divide each side by '-2'.
x = 25.5

Simplifying
x = 25.5

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