3(9+x)=57

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Solution for 3(9+x)=57 equation: 


Simplifying
3(9 + x) = 57
(9 * 3 + x * 3) = 57
(27 + 3x) = 57

Solving
27 + 3x = 57

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 3x = 57 + -27

Combine like terms: 27 + -27 = 0
0 + 3x = 57 + -27
3x = 57 + -27

Combine like terms: 57 + -27 = 30
3x = 30

Divide each side by '3'.
x = 10

Simplifying
x = 10

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