[7(z+4)-16]-[2(z-3)+1]=

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Solution for [7(z+4)-16]-[2(z-3)+1]= equation:


Simplifying
[7(z + 4) + -16] + -1[2(z + -3) + 1] = 0

Reorder the terms:
[7(4 + z) + -16] + -1[2(z + -3) + 1] = 0
[(4 * 7 + z * 7) + -16] + -1[2(z + -3) + 1] = 0
[(28 + 7z) + -16] + -1[2(z + -3) + 1] = 0

Reorder the terms:
[28 + -16 + 7z] + -1[2(z + -3) + 1] = 0

Combine like terms: 28 + -16 = 12
[12 + 7z] + -1[2(z + -3) + 1] = 0

Remove brackets around [12 + 7z]
12 + 7z + -1[2(z + -3) + 1] = 0

Reorder the terms:
12 + 7z + -1[2(-3 + z) + 1] = 0
12 + 7z + -1[(-3 * 2 + z * 2) + 1] = 0
12 + 7z + -1[(-6 + 2z) + 1] = 0

Reorder the terms:
12 + 7z + -1[-6 + 1 + 2z] = 0

Combine like terms: -6 + 1 = -5
12 + 7z + -1[-5 + 2z] = 0
12 + 7z + [-5 * -1 + 2z * -1] = 0
12 + 7z + [5 + -2z] = 0

Reorder the terms:
12 + 5 + 7z + -2z = 0

Combine like terms: 12 + 5 = 17
17 + 7z + -2z = 0

Combine like terms: 7z + -2z = 5z
17 + 5z = 0

Solving
17 + 5z = 0

Solving for variable 'z'.

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

Add '-17' to each side of the equation.
17 + -17 + 5z = 0 + -17

Combine like terms: 17 + -17 = 0
0 + 5z = 0 + -17
5z = 0 + -17

Combine like terms: 0 + -17 = -17
5z = -17

Divide each side by '5'.
z = -3.4

Simplifying
z = -3.4

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