7-z=z-5

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Solution for 7-z=z-5 equation:


Simplifying
7 + -1z = z + -5

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

Solving
7 + -1z = -5 + z

Solving for variable 'z'.

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

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

Combine like terms: -1z + -1z = -2z
7 + -2z = -5 + z + -1z

Combine like terms: z + -1z = 0
7 + -2z = -5 + 0
7 + -2z = -5

Add '-7' to each side of the equation.
7 + -7 + -2z = -5 + -7

Combine like terms: 7 + -7 = 0
0 + -2z = -5 + -7
-2z = -5 + -7

Combine like terms: -5 + -7 = -12
-2z = -12

Divide each side by '-2'.
z = 6

Simplifying
z = 6

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