z+5=3(z-5)

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Solution for z+5=3(z-5) equation:


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

Reorder the terms:
5 + z = 3(z + -5)

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

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

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

Combine like terms: 3z + -3z = 0
5 + -2z = -15 + 0
5 + -2z = -15

Add '-5' to each side of the equation.
5 + -5 + -2z = -15 + -5

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

Combine like terms: -15 + -5 = -20
-2z = -20

Divide each side by '-2'.
z = 10

Simplifying
z = 10

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