3z-5=7-z

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


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

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

Solving
-5 + 3z = 7 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
-5 + 3z + z = 7 + -1z + z

Combine like terms: 3z + z = 4z
-5 + 4z = 7 + -1z + z

Combine like terms: -1z + z = 0
-5 + 4z = 7 + 0
-5 + 4z = 7

Add '5' to each side of the equation.
-5 + 5 + 4z = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 4z = 7 + 5
4z = 7 + 5

Combine like terms: 7 + 5 = 12
4z = 12

Divide each side by '4'.
z = 3

Simplifying
z = 3

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