-5-3(1-7z)=16

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Solution for -5-3(1-7z)=16 equation: 


Simplifying
-5 + -3(1 + -7z) = 16
-5 + (1 * -3 + -7z * -3) = 16
-5 + (-3 + 21z) = 16

Combine like terms: -5 + -3 = -8
-8 + 21z = 16

Solving
-8 + 21z = 16

Solving for variable 'z'.

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

Add '8' to each side of the equation.
-8 + 8 + 21z = 16 + 8

Combine like terms: -8 + 8 = 0
0 + 21z = 16 + 8
21z = 16 + 8

Combine like terms: 16 + 8 = 24
21z = 24

Divide each side by '21'.
z = 1.142857143

Simplifying
z = 1.142857143

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