-45-3x=12

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Solution for -45-3x=12 equation: 


Simplifying
-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 = 57
-3x = 57

Divide each side by '-3'.
x = -19

Simplifying
x = -19

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