9(9+x)=18(18+11)

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Solution for 9(9+x)=18(18+11) equation:


Simplifying
9(9 + x) = 18(18 + 11)
(9 * 9 + x * 9) = 18(18 + 11)
(81 + 9x) = 18(18 + 11)

Combine like terms: 18 + 11 = 29
81 + 9x = 18(29)

Multiply 18 * 29
81 + 9x = 522

Solving
81 + 9x = 522

Solving for variable 'x'.

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

Add '-81' to each side of the equation.
81 + -81 + 9x = 522 + -81

Combine like terms: 81 + -81 = 0
0 + 9x = 522 + -81
9x = 522 + -81

Combine like terms: 522 + -81 = 441
9x = 441

Divide each side by '9'.
x = 49

Simplifying
x = 49

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