9x^3+18=90

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Solution for 9x^3+18=90 equation:


Simplifying
9x3 + 18 = 90

Reorder the terms:
18 + 9x3 = 90

Solving
18 + 9x3 = 90

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 9x3 = 90 + -18

Combine like terms: 18 + -18 = 0
0 + 9x3 = 90 + -18
9x3 = 90 + -18

Combine like terms: 90 + -18 = 72
9x3 = 72

Divide each side by '9'.
x3 = 8

Simplifying
x3 = 8

Reorder the terms:
-8 + x3 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + x3 = 0

The solution to this equation could not be determined.

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