21x+5=5x-4

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Solution for 21x+5=5x-4 equation:


Simplifying
21x + 5 = 5x + -4

Reorder the terms:
5 + 21x = 5x + -4

Reorder the terms:
5 + 21x = -4 + 5x

Solving
5 + 21x = -4 + 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 + 21x + -5x = -4 + 5x + -5x

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

Combine like terms: 5x + -5x = 0
5 + 16x = -4 + 0
5 + 16x = -4

Add '-5' to each side of the equation.
5 + -5 + 16x = -4 + -5

Combine like terms: 5 + -5 = 0
0 + 16x = -4 + -5
16x = -4 + -5

Combine like terms: -4 + -5 = -9
16x = -9

Divide each side by '16'.
x = -0.5625

Simplifying
x = -0.5625

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