21x+8-5x=

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Solution for 21x+8-5x= equation:


Simplifying
21x + 8 + -5x = 0

Reorder the terms:
8 + 21x + -5x = 0

Combine like terms: 21x + -5x = 16x
8 + 16x = 0

Solving
8 + 16x = 0

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 16x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 16x = 0 + -8
16x = 0 + -8

Combine like terms: 0 + -8 = -8
16x = -8

Divide each side by '16'.
x = -0.5

Simplifying
x = -0.5

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