z-3z=7z-3-z

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


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

Combine like terms: z + -3z = -2z
-2z = 7z + -3 + -1z

Reorder the terms:
-2z = -3 + 7z + -1z

Combine like terms: 7z + -1z = 6z
-2z = -3 + 6z

Solving
-2z = -3 + 6z

Solving for variable 'z'.

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

Add '-6z' to each side of the equation.
-2z + -6z = -3 + 6z + -6z

Combine like terms: -2z + -6z = -8z
-8z = -3 + 6z + -6z

Combine like terms: 6z + -6z = 0
-8z = -3 + 0
-8z = -3

Divide each side by '-8'.
z = 0.375

Simplifying
z = 0.375

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