Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Let m = 7. Substitute for m and solve each expression. $7\div3m=7\div(3\times7)=7\div21=\frac{7}{21}=\frac{7\div7}{21\div7}=\frac{1}{3}$ $m\times3\div7=7\times3\div7=21\div7=3$ Since the results are not the same the two expressions are not equivalent.