9x+15+12=-72

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Solution for 9x+15+12=-72 equation:


Simplifying
9x + 15 + 12 = -72

Reorder the terms:
15 + 12 + 9x = -72

Combine like terms: 15 + 12 = 27
27 + 9x = -72

Solving
27 + 9x = -72

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 9x = -72 + -27

Combine like terms: 27 + -27 = 0
0 + 9x = -72 + -27
9x = -72 + -27

Combine like terms: -72 + -27 = -99
9x = -99

Divide each side by '9'.
x = -11

Simplifying
x = -11

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