-9z+8-7z=-28

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Solution for -9z+8-7z=-28 equation:


Simplifying
-9z + 8 + -7z = -28

Reorder the terms:
8 + -9z + -7z = -28

Combine like terms: -9z + -7z = -16z
8 + -16z = -28

Solving
8 + -16z = -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 + -16z = -28 + -8

Combine like terms: 8 + -8 = 0
0 + -16z = -28 + -8
-16z = -28 + -8

Combine like terms: -28 + -8 = -36
-16z = -36

Divide each side by '-16'.
z = 2.25

Simplifying
z = 2.25

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