-9z+8+2z=28

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Solution for -9z+8+2z=28 equation:


Simplifying
-9z + 8 + 2z = 28

Reorder the terms:
8 + -9z + 2z = 28

Combine like terms: -9z + 2z = -7z
8 + -7z = 28

Solving
8 + -7z = 28

Solving for variable 'z'.

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

Add '-8' to each side of the equation.
8 + -8 + -7z = 28 + -8

Combine like terms: 8 + -8 = 0
0 + -7z = 28 + -8
-7z = 28 + -8

Combine like terms: 28 + -8 = 20
-7z = 20

Divide each side by '-7'.
z = -2.857142857

Simplifying
z = -2.857142857

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