8-y-z=9

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Solution for 8-y-z=9 equation:


Simplifying
8 + -1y + -1z = 9

Solving
8 + -1y + -1z = 9

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -1y + -8 + -1z = 9 + -8

Reorder the terms:
8 + -8 + -1y + -1z = 9 + -8

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

Combine like terms: 9 + -8 = 1
-1y + -1z = 1

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

Combine like terms: -1z + z = 0
-1y + 0 = 1 + z
-1y = 1 + z

Divide each side by '-1'.
y = -1 + -1z

Simplifying
y = -1 + -1z

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