20-(4+z)=4

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Solution for 20-(4+z)=4 equation:


Simplifying
20 + -1(4 + z) = 4
20 + (4 * -1 + z * -1) = 4
20 + (-4 + -1z) = 4

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

Solving
16 + -1z = 4

Solving for variable 'z'.

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

Add '-16' to each side of the equation.
16 + -16 + -1z = 4 + -16

Combine like terms: 16 + -16 = 0
0 + -1z = 4 + -16
-1z = 4 + -16

Combine like terms: 4 + -16 = -12
-1z = -12

Divide each side by '-1'.
z = 12

Simplifying
z = 12

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