Literal Equations

Solve for x. 
z = xy

• x = z/y

• x = y/z

• x = yz

• y = xz

Solve -2 = 4r + s for s.

• s = -2 + 4r

• s = 2 - 4r

• s = -2 - 4r

• s = 2 + 4r

Solve for s. 
r = 2s - 8

• s =  r + 2  
  

• s = r/2 + 4

• s = r + 8 2
  

• s = 2r + 16

Solve:
V = πr²h , for h

• V/(πr²) = h

• V - πr² = h

• V + πr² = h

• V/π = h

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• m = bK + 18

• m = K/b + 18

• m = 18 - bK

• m = bK - 18

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A literal equation is an equation that has...

• one variable (letter or symbol)

• two variables

• one or more variables

• more than one variable