-2x-5+4=20

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Solution for -2x-5+4=20 equation:


Simplifying
-2x + -5 + 4 = 20

Reorder the terms:
-5 + 4 + -2x = 20

Combine like terms: -5 + 4 = -1
-1 + -2x = 20

Solving
-1 + -2x = 20

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 = 20 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = 20 + 1
-2x = 20 + 1

Combine like terms: 20 + 1 = 21
-2x = 21

Divide each side by '-2'.
x = -10.5

Simplifying
x = -10.5

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