20-16=(x-4)

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Solution for 20-16=(x-4) equation:


Simplifying
20 + -16 = (x + -4)

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

Reorder the terms:
4 = (-4 + x)

Remove parenthesis around (-4 + x)
4 = -4 + x

Solving
4 = -4 + x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -4 + -4 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8

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