-3x-12x=-75

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Solution for -3x-12x=-75 equation: 


Simplifying
-3x + -12x = -75

Combine like terms: -3x + -12x = -15x
-15x = -75

Solving
-15x = -75

Solving for variable 'x'.

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

Divide each side by '-15'.
x = 5

Simplifying
x = 5

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