9*(7+x)=81

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Solution for 9*(7+x)=81 equation: 


Simplifying
9(7 + x) = 81
(7 * 9 + x * 9) = 81
(63 + 9x) = 81

Solving
63 + 9x = 81

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + 9x = 81 + -63

Combine like terms: 63 + -63 = 0
0 + 9x = 81 + -63
9x = 81 + -63

Combine like terms: 81 + -63 = 18
9x = 18

Divide each side by '9'.
x = 2

Simplifying
x = 2

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