7z+2z-4=59

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Solution for 7z+2z-4=59 equation: 


Simplifying
7z + 2z + -4 = 59

Reorder the terms:
-4 + 7z + 2z = 59

Combine like terms: 7z + 2z = 9z
-4 + 9z = 59

Solving
-4 + 9z = 59

Solving for variable 'z'.

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

Add '4' to each side of the equation.
-4 + 4 + 9z = 59 + 4

Combine like terms: -4 + 4 = 0
0 + 9z = 59 + 4
9z = 59 + 4

Combine like terms: 59 + 4 = 63
9z = 63

Divide each side by '9'.
z = 7

Simplifying
z = 7

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