5(x-9)=21

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


Simplifying
5(x + -9) = 21

Reorder the terms:
5(-9 + x) = 21
(-9 * 5 + x * 5) = 21
(-45 + 5x) = 21

Solving
-45 + 5x = 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 + 5x = 21 + 45

Combine like terms: -45 + 45 = 0
0 + 5x = 21 + 45
5x = 21 + 45

Combine like terms: 21 + 45 = 66
5x = 66

Divide each side by '5'.
x = 13.2

Simplifying
x = 13.2

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