13z-7z-4z+3z-4z=7

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Solution for 13z-7z-4z+3z-4z=7 equation: 


Simplifying
13z + -7z + -4z + 3z + -4z = 7

Combine like terms: 13z + -7z = 6z
6z + -4z + 3z + -4z = 7

Combine like terms: 6z + -4z = 2z
2z + 3z + -4z = 7

Combine like terms: 2z + 3z = 5z
5z + -4z = 7

Combine like terms: 5z + -4z = 1z
1z = 7

Solving
1z = 7

Solving for variable 'z'.

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

Divide each side by '1'.
z = 7

Simplifying
z = 7

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