12(-3)+-9=x

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Solution for 12(-3)+-9=x equation:


Simplifying
12(-3) + -9 = x

Multiply 12 * -3
-36 + -9 = x

Combine like terms: -36 + -9 = -45
-45 = x

Solving
-45 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-45 + -1x = x + -1x

Combine like terms: x + -1x = 0
-45 + -1x = 0

Add '45' to each side of the equation.
-45 + 45 + -1x = 0 + 45

Combine like terms: -45 + 45 = 0
0 + -1x = 0 + 45
-1x = 0 + 45

Combine like terms: 0 + 45 = 45
-1x = 45

Divide each side by '-1'.
x = -45

Simplifying
x = -45

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