-2x-9=6+15

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Solution for -2x-9=6+15 equation:


Simplifying
-2x + -9 = 6 + 15

Reorder the terms:
-9 + -2x = 6 + 15

Combine like terms: 6 + 15 = 21
-9 + -2x = 21

Solving
-9 + -2x = 21

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -2x = 21 + 9

Combine like terms: -9 + 9 = 0
0 + -2x = 21 + 9
-2x = 21 + 9

Combine like terms: 21 + 9 = 30
-2x = 30

Divide each side by '-2'.
x = -15

Simplifying
x = -15

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