9(5-x)=81

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Solution for 9(5-x)=81 equation:


Simplifying
9(5 + -1x) = 81
(5 * 9 + -1x * 9) = 81
(45 + -9x) = 81

Solving
45 + -9x = 81

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + -9x = 81 + -45

Combine like terms: 45 + -45 = 0
0 + -9x = 81 + -45
-9x = 81 + -45

Combine like terms: 81 + -45 = 36
-9x = 36

Divide each side by '-9'.
x = -4

Simplifying
x = -4

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