-[5z-(9z+9)]=9+(3z+8)

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Solution for -[5z-(9z+9)]=9+(3z+8) equation:


Simplifying
-1[5z + -1(9z + 9)] = 9 + (3z + 8)

Reorder the terms:
-1[5z + -1(9 + 9z)] = 9 + (3z + 8)
-1[5z + (9 * -1 + 9z * -1)] = 9 + (3z + 8)
-1[5z + (-9 + -9z)] = 9 + (3z + 8)

Reorder the terms:
-1[-9 + 5z + -9z] = 9 + (3z + 8)

Combine like terms: 5z + -9z = -4z
-1[-9 + -4z] = 9 + (3z + 8)
[-9 * -1 + -4z * -1] = 9 + (3z + 8)
[9 + 4z] = 9 + (3z + 8)

Reorder the terms:
9 + 4z = 9 + (8 + 3z)

Remove parenthesis around (8 + 3z)
9 + 4z = 9 + 8 + 3z

Combine like terms: 9 + 8 = 17
9 + 4z = 17 + 3z

Solving
9 + 4z = 17 + 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.
9 + 4z + -3z = 17 + 3z + -3z

Combine like terms: 4z + -3z = 1z
9 + 1z = 17 + 3z + -3z

Combine like terms: 3z + -3z = 0
9 + 1z = 17 + 0
9 + 1z = 17

Add '-9' to each side of the equation.
9 + -9 + 1z = 17 + -9

Combine like terms: 9 + -9 = 0
0 + 1z = 17 + -9
1z = 17 + -9

Combine like terms: 17 + -9 = 8
1z = 8

Divide each side by '1'.
z = 8

Simplifying
z = 8

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