12-[8+9x]=22

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Solution for 12-[8+9x]=22 equation:


Simplifying
12 + -1[8 + 9x] = 22
12 + [8 * -1 + 9x * -1] = 22
12 + [-8 + -9x] = 22

Combine like terms: 12 + -8 = 4
4 + -9x = 22

Solving
4 + -9x = 22

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + -9x = 22 + -4

Combine like terms: 4 + -4 = 0
0 + -9x = 22 + -4
-9x = 22 + -4

Combine like terms: 22 + -4 = 18
-9x = 18

Divide each side by '-9'.
x = -2

Simplifying
x = -2

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