-6-15-6x=21

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Solution for -6-15-6x=21 equation: 


Simplifying
-6 + -15 + -6x = 21

Combine like terms: -6 + -15 = -21
-21 + -6x = 21

Solving
-21 + -6x = 21

Solving for variable 'x'.

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

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

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

Combine like terms: 21 + 21 = 42
-6x = 42

Divide each side by '-6'.
x = -7

Simplifying
x = -7

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