x-7*3=-9

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Solution for x-7*3=-9 equation: 


Simplifying
x + -7 * 3 = -9

Multiply -7 * 3
x + -21 = -9

Reorder the terms:
-21 + x = -9

Solving
-21 + x = -9

Solving for variable 'x'.

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

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

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

Combine like terms: -9 + 21 = 12
x = 12

Simplifying
x = 12

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