-x-(4)=-20

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Solution for -x-(4)=-20 equation: 


Simplifying
-1x + -1(4) = -20

Multiply -1 * 4
-1x + -4 = -20

Reorder the terms:
-4 + -1x = -20

Solving
-4 + -1x = -20

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -1x = -20 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = -20 + 4
-1x = -20 + 4

Combine like terms: -20 + 4 = -16
-1x = -16

Divide each side by '-1'.
x = 16

Simplifying
x = 16

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