9=z+y

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Solution for 9=z+y equation:


Simplifying
9 = z + y

Reorder the terms:
9 = y + z

Solving
9 = y + z

Solving for variable 'y'.

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

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

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

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

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

Divide each side by '-1'.
y = 9 + -1z

Simplifying
y = 9 + -1z

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