5-3x=5x+21

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


Simplifying
5 + -3x = 5x + 21

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

Solving
5 + -3x = 21 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
5 + -3x + -5x = 21 + 5x + -5x

Combine like terms: -3x + -5x = -8x
5 + -8x = 21 + 5x + -5x

Combine like terms: 5x + -5x = 0
5 + -8x = 21 + 0
5 + -8x = 21

Add '-5' to each side of the equation.
5 + -5 + -8x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + -8x = 21 + -5
-8x = 21 + -5

Combine like terms: 21 + -5 = 16
-8x = 16

Divide each side by '-8'.
x = -2

Simplifying
x = -2

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