81=9(3+x)

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Solution for 81=9(3+x) equation:


Simplifying
81 = 9(3 + x)
81 = (3 * 9 + x * 9)
81 = (27 + 9x)

Solving
81 = 27 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
81 + -9x = 27 + 9x + -9x

Combine like terms: 9x + -9x = 0
81 + -9x = 27 + 0
81 + -9x = 27

Add '-81' to each side of the equation.
81 + -81 + -9x = 27 + -81

Combine like terms: 81 + -81 = 0
0 + -9x = 27 + -81
-9x = 27 + -81

Combine like terms: 27 + -81 = -54
-9x = -54

Divide each side by '-9'.
x = 6

Simplifying
x = 6

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