3[z-(3z+18)+8]=5(z+5)

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Solution for 3[z-(3z+18)+8]=5(z+5) equation:


Simplifying
3[z + -1(3z + 18) + 8] = 5(z + 5)

Reorder the terms:
3[z + -1(18 + 3z) + 8] = 5(z + 5)
3[z + (18 * -1 + 3z * -1) + 8] = 5(z + 5)
3[z + (-18 + -3z) + 8] = 5(z + 5)

Reorder the terms:
3[-18 + 8 + z + -3z] = 5(z + 5)

Combine like terms: -18 + 8 = -10
3[-10 + z + -3z] = 5(z + 5)

Combine like terms: z + -3z = -2z
3[-10 + -2z] = 5(z + 5)
[-10 * 3 + -2z * 3] = 5(z + 5)
[-30 + -6z] = 5(z + 5)

Reorder the terms:
-30 + -6z = 5(5 + z)
-30 + -6z = (5 * 5 + z * 5)
-30 + -6z = (25 + 5z)

Solving
-30 + -6z = 25 + 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.
-30 + -6z + -5z = 25 + 5z + -5z

Combine like terms: -6z + -5z = -11z
-30 + -11z = 25 + 5z + -5z

Combine like terms: 5z + -5z = 0
-30 + -11z = 25 + 0
-30 + -11z = 25

Add '30' to each side of the equation.
-30 + 30 + -11z = 25 + 30

Combine like terms: -30 + 30 = 0
0 + -11z = 25 + 30
-11z = 25 + 30

Combine like terms: 25 + 30 = 55
-11z = 55

Divide each side by '-11'.
z = -5

Simplifying
z = -5

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