-5(-4)(-2.1)(-z)=

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Solution for -5(-4)(-2.1)(-z)= equation: 


Simplifying
-5(-4)(-2.1)(-1z) = 0

Remove parenthesis around (-1z)
-5 * -4 * -2.1 * -1z = 0

Multiply -5 * -4
20 * -2.1 * -1z = 0

Multiply 20 * -2.1
-42 * -1z = 0

Multiply -42 * -1
42z = 0

Solving
42z = 0

Solving for variable 'z'.

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

Divide each side by '42'.
z = 0

Simplifying
z = 0

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