2x-5=-21-2x

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Solution for 2x-5=-21-2x equation:


Simplifying
2x + -5 = -21 + -2x

Reorder the terms:
-5 + 2x = -21 + -2x

Solving
-5 + 2x = -21 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-5 + 2x + 2x = -21 + -2x + 2x

Combine like terms: 2x + 2x = 4x
-5 + 4x = -21 + -2x + 2x

Combine like terms: -2x + 2x = 0
-5 + 4x = -21 + 0
-5 + 4x = -21

Add '5' to each side of the equation.
-5 + 5 + 4x = -21 + 5

Combine like terms: -5 + 5 = 0
0 + 4x = -21 + 5
4x = -21 + 5

Combine like terms: -21 + 5 = -16
4x = -16

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

Simplifying
x = -4

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