15-5z=-4z

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Solution for 15-5z=-4z equation:


Simplifying
15 + -5z = -4z

Solving
15 + -5z = -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
15 + -5z + 4z = -4z + 4z

Combine like terms: -5z + 4z = -1z
15 + -1z = -4z + 4z

Combine like terms: -4z + 4z = 0
15 + -1z = 0

Add '-15' to each side of the equation.
15 + -15 + -1z = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1z = 0 + -15
-1z = 0 + -15

Combine like terms: 0 + -15 = -15
-1z = -15

Divide each side by '-1'.
z = 15

Simplifying
z = 15

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