3(4+3x)=57

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Solution for 3(4+3x)=57 equation: 


Simplifying
3(4 + 3x) = 57
(4 * 3 + 3x * 3) = 57
(12 + 9x) = 57

Solving
12 + 9x = 57

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 9x = 57 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = 57 + -12
9x = 57 + -12

Combine like terms: 57 + -12 = 45
9x = 45

Divide each side by '9'.
x = 5

Simplifying
x = 5

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