15x-21=-111

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Solution for 15x-21=-111 equation: 


Simplifying
15x + -21 = -111

Reorder the terms:
-21 + 15x = -111

Solving
-21 + 15x = -111

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 + 15x = -111 + 21

Combine like terms: -21 + 21 = 0
0 + 15x = -111 + 21
15x = -111 + 21

Combine like terms: -111 + 21 = -90
15x = -90

Divide each side by '15'.
x = -6

Simplifying
x = -6

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