-9+3(1+7z)=16

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Solution for -9+3(1+7z)=16 equation:


Simplifying
-9 + 3(1 + 7z) = 16
-9 + (1 * 3 + 7z * 3) = 16
-9 + (3 + 21z) = 16

Combine like terms: -9 + 3 = -6
-6 + 21z = 16

Solving
-6 + 21z = 16

Solving for variable 'z'.

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

Add '6' to each side of the equation.
-6 + 6 + 21z = 16 + 6

Combine like terms: -6 + 6 = 0
0 + 21z = 16 + 6
21z = 16 + 6

Combine like terms: 16 + 6 = 22
21z = 22

Divide each side by '21'.
z = 1.047619048

Simplifying
z = 1.047619048

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