[9(z+4)-17]-[3(z-3)+3]=

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Solution for [9(z+4)-17]-[3(z-3)+3]= equation:


Simplifying
[9(z + 4) + -17] + -1[3(z + -3) + 3] = 0

Reorder the terms:
[9(4 + z) + -17] + -1[3(z + -3) + 3] = 0
[(4 * 9 + z * 9) + -17] + -1[3(z + -3) + 3] = 0
[(36 + 9z) + -17] + -1[3(z + -3) + 3] = 0

Reorder the terms:
[36 + -17 + 9z] + -1[3(z + -3) + 3] = 0

Combine like terms: 36 + -17 = 19
[19 + 9z] + -1[3(z + -3) + 3] = 0

Remove brackets around [19 + 9z]
19 + 9z + -1[3(z + -3) + 3] = 0

Reorder the terms:
19 + 9z + -1[3(-3 + z) + 3] = 0
19 + 9z + -1[(-3 * 3 + z * 3) + 3] = 0
19 + 9z + -1[(-9 + 3z) + 3] = 0

Reorder the terms:
19 + 9z + -1[-9 + 3 + 3z] = 0

Combine like terms: -9 + 3 = -6
19 + 9z + -1[-6 + 3z] = 0
19 + 9z + [-6 * -1 + 3z * -1] = 0
19 + 9z + [6 + -3z] = 0

Reorder the terms:
19 + 6 + 9z + -3z = 0

Combine like terms: 19 + 6 = 25
25 + 9z + -3z = 0

Combine like terms: 9z + -3z = 6z
25 + 6z = 0

Solving
25 + 6z = 0

Solving for variable 'z'.

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

Add '-25' to each side of the equation.
25 + -25 + 6z = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 6z = 0 + -25
6z = 0 + -25

Combine like terms: 0 + -25 = -25
6z = -25

Divide each side by '6'.
z = -4.166666667

Simplifying
z = -4.166666667

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