4(-x)-x=15

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Solution for 4(-x)-x=15 equation: 


Simplifying
4(-1x) + -1x = 15

Remove parenthesis around (-1x)
4 * -1x + -1x = 15

Multiply 4 * -1
-4x + -1x = 15

Combine like terms: -4x + -1x = -5x
-5x = 15

Solving
-5x = 15

Solving for variable 'x'.

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

Divide each side by '-5'.
x = -3

Simplifying
x = -3

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