-[9z-(15z+3)]=3+(5z+4)

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Solution for -[9z-(15z+3)]=3+(5z+4) equation:


Simplifying
-1[9z + -1(15z + 3)] = 3 + (5z + 4)

Reorder the terms:
-1[9z + -1(3 + 15z)] = 3 + (5z + 4)
-1[9z + (3 * -1 + 15z * -1)] = 3 + (5z + 4)
-1[9z + (-3 + -15z)] = 3 + (5z + 4)

Reorder the terms:
-1[-3 + 9z + -15z] = 3 + (5z + 4)

Combine like terms: 9z + -15z = -6z
-1[-3 + -6z] = 3 + (5z + 4)
[-3 * -1 + -6z * -1] = 3 + (5z + 4)
[3 + 6z] = 3 + (5z + 4)

Reorder the terms:
3 + 6z = 3 + (4 + 5z)

Remove parenthesis around (4 + 5z)
3 + 6z = 3 + 4 + 5z

Combine like terms: 3 + 4 = 7
3 + 6z = 7 + 5z

Solving
3 + 6z = 7 + 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.
3 + 6z + -5z = 7 + 5z + -5z

Combine like terms: 6z + -5z = 1z
3 + 1z = 7 + 5z + -5z

Combine like terms: 5z + -5z = 0
3 + 1z = 7 + 0
3 + 1z = 7

Add '-3' to each side of the equation.
3 + -3 + 1z = 7 + -3

Combine like terms: 3 + -3 = 0
0 + 1z = 7 + -3
1z = 7 + -3

Combine like terms: 7 + -3 = 4
1z = 4

Divide each side by '1'.
z = 4

Simplifying
z = 4

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