15-9x-2=40

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Solution for 15-9x-2=40 equation: 


Simplifying
15 + -9x + -2 = 40

Reorder the terms:
15 + -2 + -9x = 40

Combine like terms: 15 + -2 = 13
13 + -9x = 40

Solving
13 + -9x = 40

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + -9x = 40 + -13

Combine like terms: 13 + -13 = 0
0 + -9x = 40 + -13
-9x = 40 + -13

Combine like terms: 40 + -13 = 27
-9x = 27

Divide each side by '-9'.
x = -3

Simplifying
x = -3

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