2z+7z-z+5=

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Solution for 2z+7z-z+5= equation:


Simplifying
2z + 7z + -1z + 5 = 0

Reorder the terms:
5 + 2z + 7z + -1z = 0

Combine like terms: 2z + 7z = 9z
5 + 9z + -1z = 0

Combine like terms: 9z + -1z = 8z
5 + 8z = 0

Solving
5 + 8z = 0

Solving for variable 'z'.

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

Add '-5' to each side of the equation.
5 + -5 + 8z = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 8z = 0 + -5
8z = 0 + -5

Combine like terms: 0 + -5 = -5
8z = -5

Divide each side by '8'.
z = -0.625

Simplifying
z = -0.625

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