8[x-9]=72

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Solution for 8[x-9]=72 equation: 


Simplifying
8[x + -9] = 72

Reorder the terms:
8[-9 + x] = 72
[-9 * 8 + x * 8] = 72
[-72 + 8x] = 72

Solving
-72 + 8x = 72

Solving for variable 'x'.

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

Add '72' to each side of the equation.
-72 + 72 + 8x = 72 + 72

Combine like terms: -72 + 72 = 0
0 + 8x = 72 + 72
8x = 72 + 72

Combine like terms: 72 + 72 = 144
8x = 144

Divide each side by '8'.
x = 18

Simplifying
x = 18

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