3(12+x)=20

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Solution for 3(12+x)=20 equation: 


Simplifying
3(12 + x) = 20
(12 * 3 + x * 3) = 20
(36 + 3x) = 20

Solving
36 + 3x = 20

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + 3x = 20 + -36

Combine like terms: 36 + -36 = 0
0 + 3x = 20 + -36
3x = 20 + -36

Combine like terms: 20 + -36 = -16
3x = -16

Divide each side by '3'.
x = -5.333333333

Simplifying
x = -5.333333333

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