Question

Solve for A.
R = X(A + B)

Answer 1

R/X=A+B
(R/X)-B=A

Divide both sides by X, then subtract both sides by B

Answer 2

Divide each term in x(A+B)=R x ( A + B ) = R by A+B A + B .

Explanation:

Rewrite the equation as x(A+B)=R x ( A + B ) = R . Divide each term by A+B and simplify