-4x-21=-89

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Solution for -4x-21=-89 equation: 


Simplifying
-4x + -21 = -89

Reorder the terms:
-21 + -4x = -89

Solving
-21 + -4x = -89

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -4x = -89 + 21

Combine like terms: -21 + 21 = 0
0 + -4x = -89 + 21
-4x = -89 + 21

Combine like terms: -89 + 21 = -68
-4x = -68

Divide each side by '-4'.
x = 17

Simplifying
x = 17

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