-9(5-3x)=21

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Solution for -9(5-3x)=21 equation: 


Simplifying
-9(5 + -3x) = 21
(5 * -9 + -3x * -9) = 21
(-45 + 27x) = 21

Solving
-45 + 27x = 21

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 + 27x = 21 + 45

Combine like terms: -45 + 45 = 0
0 + 27x = 21 + 45
27x = 21 + 45

Combine like terms: 21 + 45 = 66
27x = 66

Divide each side by '27'.
x = 2.444444444

Simplifying
x = 2.444444444

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