3(7z-4)=

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Solution for 3(7z-4)= equation:


Simplifying
3(7z + -4) = 0

Reorder the terms:
3(-4 + 7z) = 0
(-4 * 3 + 7z * 3) = 0
(-12 + 21z) = 0

Solving
-12 + 21z = 0

Solving for variable 'z'.

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

Add '12' to each side of the equation.
-12 + 12 + 21z = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 21z = 0 + 12
21z = 0 + 12

Combine like terms: 0 + 12 = 12
21z = 12

Divide each side by '21'.
z = 0.5714285714

Simplifying
z = 0.5714285714

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