-[6z-(12z+7)]=7+(5z+4)

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Solution for -[6z-(12z+7)]=7+(5z+4) equation:


Simplifying
-1[6z + -1(12z + 7)] = 7 + (5z + 4)

Reorder the terms:
-1[6z + -1(7 + 12z)] = 7 + (5z + 4)
-1[6z + (7 * -1 + 12z * -1)] = 7 + (5z + 4)
-1[6z + (-7 + -12z)] = 7 + (5z + 4)

Reorder the terms:
-1[-7 + 6z + -12z] = 7 + (5z + 4)

Combine like terms: 6z + -12z = -6z
-1[-7 + -6z] = 7 + (5z + 4)
[-7 * -1 + -6z * -1] = 7 + (5z + 4)
[7 + 6z] = 7 + (5z + 4)

Reorder the terms:
7 + 6z = 7 + (4 + 5z)

Remove parenthesis around (4 + 5z)
7 + 6z = 7 + 4 + 5z

Combine like terms: 7 + 4 = 11
7 + 6z = 11 + 5z

Solving
7 + 6z = 11 + 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.
7 + 6z + -5z = 11 + 5z + -5z

Combine like terms: 6z + -5z = 1z
7 + 1z = 11 + 5z + -5z

Combine like terms: 5z + -5z = 0
7 + 1z = 11 + 0
7 + 1z = 11

Add '-7' to each side of the equation.
7 + -7 + 1z = 11 + -7

Combine like terms: 7 + -7 = 0
0 + 1z = 11 + -7
1z = 11 + -7

Combine like terms: 11 + -7 = 4
1z = 4

Divide each side by '1'.
z = 4

Simplifying
z = 4

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