21=-5x-6

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Solution for 21=-5x-6 equation:


Simplifying
21 = -5x + -6

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

Solving
21 = -6 + -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.
21 + 5x = -6 + -5x + 5x

Combine like terms: -5x + 5x = 0
21 + 5x = -6 + 0
21 + 5x = -6

Add '-21' to each side of the equation.
21 + -21 + 5x = -6 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = -6 + -21
5x = -6 + -21

Combine like terms: -6 + -21 = -27
5x = -27

Divide each side by '5'.
x = -5.4

Simplifying
x = -5.4

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