-(2z-(7z+8))=8+(4z+4)

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Solution for -(2z-(7z+8))=8+(4z+4) equation:


Simplifying
-1(2z + -1(7z + 8)) = 8 + (4z + 4)

Reorder the terms:
-1(2z + -1(8 + 7z)) = 8 + (4z + 4)
-1(2z + (8 * -1 + 7z * -1)) = 8 + (4z + 4)
-1(2z + (-8 + -7z)) = 8 + (4z + 4)

Reorder the terms:
-1(-8 + 2z + -7z) = 8 + (4z + 4)

Combine like terms: 2z + -7z = -5z
-1(-8 + -5z) = 8 + (4z + 4)
(-8 * -1 + -5z * -1) = 8 + (4z + 4)
(8 + 5z) = 8 + (4z + 4)

Reorder the terms:
8 + 5z = 8 + (4 + 4z)

Remove parenthesis around (4 + 4z)
8 + 5z = 8 + 4 + 4z

Combine like terms: 8 + 4 = 12
8 + 5z = 12 + 4z

Solving
8 + 5z = 12 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
8 + 5z + -4z = 12 + 4z + -4z

Combine like terms: 5z + -4z = 1z
8 + 1z = 12 + 4z + -4z

Combine like terms: 4z + -4z = 0
8 + 1z = 12 + 0
8 + 1z = 12

Add '-8' to each side of the equation.
8 + -8 + 1z = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 1z = 12 + -8
1z = 12 + -8

Combine like terms: 12 + -8 = 4
1z = 4

Divide each side by '1'.
z = 4

Simplifying
z = 4

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