3(5+x)=57

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Solution for 3(5+x)=57 equation: 


Simplifying
3(5 + x) = 57
(5 * 3 + x * 3) = 57
(15 + 3x) = 57

Solving
15 + 3x = 57

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 3x = 57 + -15

Combine like terms: 15 + -15 = 0
0 + 3x = 57 + -15
3x = 57 + -15

Combine like terms: 57 + -15 = 42
3x = 42

Divide each side by '3'.
x = 14

Simplifying
x = 14

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