-[2z-(10z+5)]=5+(7z+8)

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Solution for -[2z-(10z+5)]=5+(7z+8) equation:


Simplifying
-1[2z + -1(10z + 5)] = 5 + (7z + 8)

Reorder the terms:
-1[2z + -1(5 + 10z)] = 5 + (7z + 8)
-1[2z + (5 * -1 + 10z * -1)] = 5 + (7z + 8)
-1[2z + (-5 + -10z)] = 5 + (7z + 8)

Reorder the terms:
-1[-5 + 2z + -10z] = 5 + (7z + 8)

Combine like terms: 2z + -10z = -8z
-1[-5 + -8z] = 5 + (7z + 8)
[-5 * -1 + -8z * -1] = 5 + (7z + 8)
[5 + 8z] = 5 + (7z + 8)

Reorder the terms:
5 + 8z = 5 + (8 + 7z)

Remove parenthesis around (8 + 7z)
5 + 8z = 5 + 8 + 7z

Combine like terms: 5 + 8 = 13
5 + 8z = 13 + 7z

Solving
5 + 8z = 13 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
5 + 8z + -7z = 13 + 7z + -7z

Combine like terms: 8z + -7z = 1z
5 + 1z = 13 + 7z + -7z

Combine like terms: 7z + -7z = 0
5 + 1z = 13 + 0
5 + 1z = 13

Add '-5' to each side of the equation.
5 + -5 + 1z = 13 + -5

Combine like terms: 5 + -5 = 0
0 + 1z = 13 + -5
1z = 13 + -5

Combine like terms: 13 + -5 = 8
1z = 8

Divide each side by '1'.
z = 8

Simplifying
z = 8

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