-1-5z-7+12z=z+z+15+z+1

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Solution for -1-5z-7+12z=z+z+15+z+1 equation:


Simplifying
-1 + -5z + -7 + 12z = z + z + 15 + z + 1

Reorder the terms:
-1 + -7 + -5z + 12z = z + z + 15 + z + 1

Combine like terms: -1 + -7 = -8
-8 + -5z + 12z = z + z + 15 + z + 1

Combine like terms: -5z + 12z = 7z
-8 + 7z = z + z + 15 + z + 1

Reorder the terms:
-8 + 7z = 15 + 1 + z + z + z

Combine like terms: 15 + 1 = 16
-8 + 7z = 16 + z + z + z

Combine like terms: z + z = 2z
-8 + 7z = 16 + 2z + z

Combine like terms: 2z + z = 3z
-8 + 7z = 16 + 3z

Solving
-8 + 7z = 16 + 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.
-8 + 7z + -3z = 16 + 3z + -3z

Combine like terms: 7z + -3z = 4z
-8 + 4z = 16 + 3z + -3z

Combine like terms: 3z + -3z = 0
-8 + 4z = 16 + 0
-8 + 4z = 16

Add '8' to each side of the equation.
-8 + 8 + 4z = 16 + 8

Combine like terms: -8 + 8 = 0
0 + 4z = 16 + 8
4z = 16 + 8

Combine like terms: 16 + 8 = 24
4z = 24

Divide each side by '4'.
z = 6

Simplifying
z = 6

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