Question

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

A) B = (R - A)/x
B) B = (A - Rx)/x
C) B = (R - Ax)/x

Answer 1

R = x(A+B)

distribute

R=Ax+Bx

subtract Ax from each side

R-Ax=Bx

divideby x

(R-Ax)/x =B

Choice C