-[5z-(9z+4)]=4+(3z+9)

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Solution for -[5z-(9z+4)]=4+(3z+9) equation:


Simplifying
-1[5z + -1(9z + 4)] = 4 + (3z + 9)

Reorder the terms:
-1[5z + -1(4 + 9z)] = 4 + (3z + 9)
-1[5z + (4 * -1 + 9z * -1)] = 4 + (3z + 9)
-1[5z + (-4 + -9z)] = 4 + (3z + 9)

Reorder the terms:
-1[-4 + 5z + -9z] = 4 + (3z + 9)

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

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

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

Combine like terms: 4 + 9 = 13
4 + 4z = 13 + 3z

Solving
4 + 4z = 13 + 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.
4 + 4z + -3z = 13 + 3z + -3z

Combine like terms: 4z + -3z = 1z
4 + 1z = 13 + 3z + -3z

Combine like terms: 3z + -3z = 0
4 + 1z = 13 + 0
4 + 1z = 13

Add '-4' to each side of the equation.
4 + -4 + 1z = 13 + -4

Combine like terms: 4 + -4 = 0
0 + 1z = 13 + -4
1z = 13 + -4

Combine like terms: 13 + -4 = 9
1z = 9

Divide each side by '1'.
z = 9

Simplifying
z = 9

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