-3x-5=21

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Solution for -3x-5=21 equation: 


Simplifying
-3x + -5 = 21

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

Solving
-5 + -3x = 21

Solving for variable 'x'.

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

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

Combine like terms: -5 + 5 = 0
0 + -3x = 21 + 5
-3x = 21 + 5

Combine like terms: 21 + 5 = 26
-3x = 26

Divide each side by '-3'.
x = -8.666666667

Simplifying
x = -8.666666667

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