3(9-2)-9=x

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Solution for 3(9-2)-9=x equation:


Simplifying
3(9 + -2) + -9 = x

Combine like terms: 9 + -2 = 7
3(7) + -9 = x

Multiply 3 * 7
21 + -9 = x

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

Solving
12 = 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.
12 + -1x = x + -1x

Combine like terms: x + -1x = 0
12 + -1x = 0

Add '-12' to each side of the equation.
12 + -12 + -1x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 0 + -12
-1x = 0 + -12

Combine like terms: 0 + -12 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12

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