15=3z

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Solution for 15=3z equation:


Simplifying
15 = 3z

Solving
15 = 3z

Solving for variable 'z'.

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

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

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

Add '-15' to each side of the equation.
15 + -15 + -3z = 0 + -15

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

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

Divide each side by '-3'.
z = 5

Simplifying
z = 5

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