l=Prt

Rewrite the equation as Prt=l.

Prt=l

Divide each term in Prt=l by Pr.

PrtPr=lPr

Simplify PrtPr.

Cancel the common factor of P.

Cancel the common factor.

PrtPr=lPr

Rewrite the expression.

rtr=lPr

rtr=lPr

Cancel the common factor of r.

Cancel the common factor.

rtr=lPr

Divide t by 1.

t=lPr

t=lPr

t=lPr

t=lPr

Solve for t l=Prt