3-z=5z-15

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Solution for 3-z=5z-15 equation:


Simplifying
3 + -1z = 5z + -15

Reorder the terms:
3 + -1z = -15 + 5z

Solving
3 + -1z = -15 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
3 + -1z + -5z = -15 + 5z + -5z

Combine like terms: -1z + -5z = -6z
3 + -6z = -15 + 5z + -5z

Combine like terms: 5z + -5z = 0
3 + -6z = -15 + 0
3 + -6z = -15

Add '-3' to each side of the equation.
3 + -3 + -6z = -15 + -3

Combine like terms: 3 + -3 = 0
0 + -6z = -15 + -3
-6z = -15 + -3

Combine like terms: -15 + -3 = -18
-6z = -18

Divide each side by '-6'.
z = 3

Simplifying
z = 3

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