(x-7)3=-9

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Solution for (x-7)3=-9 equation:


Simplifying
(x + -7) * 3 = -9

Reorder the terms:
(-7 + x) * 3 = -9

Reorder the terms for easier multiplication:
3(-7 + x) = -9
(-7 * 3 + x * 3) = -9
(-21 + 3x) = -9

Solving
-21 + 3x = -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 + 3x = -9 + 21

Combine like terms: -21 + 21 = 0
0 + 3x = -9 + 21
3x = -9 + 21

Combine like terms: -9 + 21 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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