3(15+x)=12

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Solution for 3(15+x)=12 equation: 


Simplifying
3(15 + x) = 12
(15 * 3 + x * 3) = 12
(45 + 3x) = 12

Solving
45 + 3x = 12

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 + 3x = 12 + -45

Combine like terms: 45 + -45 = 0
0 + 3x = 12 + -45
3x = 12 + -45

Combine like terms: 12 + -45 = -33
3x = -33

Divide each side by '3'.
x = -11

Simplifying
x = -11

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