-3(5+x)=12

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Solution for -3(5+x)=12 equation: 


Simplifying
-3(5 + x) = 12
(5 * -3 + x * -3) = 12
(-15 + -3x) = 12

Solving
-15 + -3x = 12

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 = 12 + 15

Combine like terms: -15 + 15 = 0
0 + -3x = 12 + 15
-3x = 12 + 15

Combine like terms: 12 + 15 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

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