21-3x-5=6x-5x

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Solution for 21-3x-5=6x-5x equation:


Simplifying
21 + -3x + -5 = 6x + -5x

Reorder the terms:
21 + -5 + -3x = 6x + -5x

Combine like terms: 21 + -5 = 16
16 + -3x = 6x + -5x

Combine like terms: 6x + -5x = 1x
16 + -3x = 1x

Solving
16 + -3x = 1x

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.
16 + -3x + -1x = 1x + -1x

Combine like terms: -3x + -1x = -4x
16 + -4x = 1x + -1x

Combine like terms: 1x + -1x = 0
16 + -4x = 0

Add '-16' to each side of the equation.
16 + -16 + -4x = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -4x = 0 + -16
-4x = 0 + -16

Combine like terms: 0 + -16 = -16
-4x = -16

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

Simplifying
x = 4

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