J = 12/13 W J = 3(W - 63) 12/13 W = 3W - 189 ... 189 = 27/13 W solve for W, then substitute back to find J

J = 12/13 W

J = 3(W - 63)

12/13 W = 3W - 189 ... 189 = 27/13 W

solve for W, then substitute back to find J