6+x=-12+9

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Solution for 6+x=-12+9 equation: 


Simplifying
6 + x = -12 + 9

Combine like terms: -12 + 9 = -3
6 + x = -3

Solving
6 + x = -3

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + x = -3 + -6

Combine like terms: 6 + -6 = 0
0 + x = -3 + -6
x = -3 + -6

Combine like terms: -3 + -6 = -9
x = -9

Simplifying
x = -9

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