15-3z=-5(z-9)

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Solution for 15-3z=-5(z-9) equation:


Simplifying
15 + -3z = -5(z + -9)

Reorder the terms:
15 + -3z = -5(-9 + z)
15 + -3z = (-9 * -5 + z * -5)
15 + -3z = (45 + -5z)

Solving
15 + -3z = 45 + -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.
15 + -3z + 5z = 45 + -5z + 5z

Combine like terms: -3z + 5z = 2z
15 + 2z = 45 + -5z + 5z

Combine like terms: -5z + 5z = 0
15 + 2z = 45 + 0
15 + 2z = 45

Add '-15' to each side of the equation.
15 + -15 + 2z = 45 + -15

Combine like terms: 15 + -15 = 0
0 + 2z = 45 + -15
2z = 45 + -15

Combine like terms: 45 + -15 = 30
2z = 30

Divide each side by '2'.
z = 15

Simplifying
z = 15

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