x-[-4]=20

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Solution for x-[-4]=20 equation: 


Simplifying
x + -1[-4] = 20

Multiply -1 * -4
x + 4 = 20

Reorder the terms:
4 + x = 20

Solving
4 + x = 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 + x = 20 + -4

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

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

Simplifying
x = 16

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