7(1-4z)=-19

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Solution for 7(1-4z)=-19 equation: 


Simplifying
7(1 + -4z) = -19
(1 * 7 + -4z * 7) = -19
(7 + -28z) = -19

Solving
7 + -28z = -19

Solving for variable 'z'.

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

Add '-7' to each side of the equation.
7 + -7 + -28z = -19 + -7

Combine like terms: 7 + -7 = 0
0 + -28z = -19 + -7
-28z = -19 + -7

Combine like terms: -19 + -7 = -26
-28z = -26

Divide each side by '-28'.
z = 0.9285714286

Simplifying
z = 0.9285714286

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