-(-20)-5-z=20

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Solution for -(-20)-5-z=20 equation:


Simplifying
-1(-20) + -5 + -1z = 20

Multiply -1 * -20
20 + -5 + -1z = 20

Combine like terms: 20 + -5 = 15
15 + -1z = 20

Solving
15 + -1z = 20

Solving for variable 'z'.

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

Add '-15' to each side of the equation.
15 + -15 + -1z = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -1z = 20 + -15
-1z = 20 + -15

Combine like terms: 20 + -15 = 5
-1z = 5

Divide each side by '-1'.
z = -5

Simplifying
z = -5

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