Question

Solve for L: d=LM/R2+R1

Answer 1

D=LM/(R2+R1)
d(R2+R1)=LM
[d(R2+R1)]/M=L

Answer 2

Answer:

Given the equation:  $d = \frac{LM}{R_2+R_1}$      .....[1]

Cross multiply states that an equation of fractions when each of the side consists of a fraction with a single denominator by multiplying the numerator of each side by the denominator of the other side and equating these two products obtained.

Apply the cross multiply in [1], we get;

$d(R_2 +R_1) = LM$

Divide both sides by M  we get;

$L = \frac{d(R_2+R_1)}{M}$

or

$L = \frac{dR_2+dR_1}{M}$