7z+5-z+3=9z-z

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Solution for 7z+5-z+3=9z-z equation:


Simplifying
7z + 5 + -1z + 3 = 9z + -1z

Reorder the terms:
5 + 3 + 7z + -1z = 9z + -1z

Combine like terms: 5 + 3 = 8
8 + 7z + -1z = 9z + -1z

Combine like terms: 7z + -1z = 6z
8 + 6z = 9z + -1z

Combine like terms: 9z + -1z = 8z
8 + 6z = 8z

Solving
8 + 6z = 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
8 + 6z + -8z = 8z + -8z

Combine like terms: 6z + -8z = -2z
8 + -2z = 8z + -8z

Combine like terms: 8z + -8z = 0
8 + -2z = 0

Add '-8' to each side of the equation.
8 + -8 + -2z = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2z = 0 + -8
-2z = 0 + -8

Combine like terms: 0 + -8 = -8
-2z = -8

Divide each side by '-2'.
z = 4

Simplifying
z = 4

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