-4x-15=-87

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Solution for -4x-15=-87 equation: 


Simplifying
-4x + -15 = -87

Reorder the terms:
-15 + -4x = -87

Solving
-15 + -4x = -87

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 + -4x = -87 + 15

Combine like terms: -15 + 15 = 0
0 + -4x = -87 + 15
-4x = -87 + 15

Combine like terms: -87 + 15 = -72
-4x = -72

Divide each side by '-4'.
x = 18

Simplifying
x = 18

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