-15-5=4x

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Solution for -15-5=4x equation: 


Simplifying
-15 + -5 = 4x

Combine like terms: -15 + -5 = -20
-20 = 4x

Solving
-20 = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-20 + -4x = 4x + -4x

Combine like terms: 4x + -4x = 0
-20 + -4x = 0

Add '20' to each side of the equation.
-20 + 20 + -4x = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -4x = 0 + 20
-4x = 0 + 20

Combine like terms: 0 + 20 = 20
-4x = 20

Divide each side by '-4'.
x = -5

Simplifying
x = -5

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