5(2z-4)-7z=34

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Solution for 5(2z-4)-7z=34 equation:


Simplifying
5(2z + -4) + -7z = 34

Reorder the terms:
5(-4 + 2z) + -7z = 34
(-4 * 5 + 2z * 5) + -7z = 34
(-20 + 10z) + -7z = 34

Combine like terms: 10z + -7z = 3z
-20 + 3z = 34

Solving
-20 + 3z = 34

Solving for variable 'z'.

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

Add '20' to each side of the equation.
-20 + 20 + 3z = 34 + 20

Combine like terms: -20 + 20 = 0
0 + 3z = 34 + 20
3z = 34 + 20

Combine like terms: 34 + 20 = 54
3z = 54

Divide each side by '3'.
z = 18

Simplifying
z = 18

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