Solve for h
h=\frac{z-9x}{9}
Solve for x
x=\frac{z-9h}{9}
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z=9x+9h
Use the distributive property to multiply 9 by x+h.
9x+9h=z
Swap sides so that all variable terms are on the left hand side.
9h=z-9x
Subtract 9x from both sides.
\frac{9h}{9}=\frac{z-9x}{9}
Divide both sides by 9.
h=\frac{z-9x}{9}
Dividing by 9 undoes the multiplication by 9.
h=\frac{z}{9}-x
Divide z-9x by 9.
z=9x+9h
Use the distributive property to multiply 9 by x+h.
9x+9h=z
Swap sides so that all variable terms are on the left hand side.
9x=z-9h
Subtract 9h from both sides.
\frac{9x}{9}=\frac{z-9h}{9}
Divide both sides by 9.
x=\frac{z-9h}{9}
Dividing by 9 undoes the multiplication by 9.
x=\frac{z}{9}-h
Divide z-9h by 9.
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