We want to find the solution to the equation:
[tex]70=1.4y[/tex]For doing so, we solve for y. As 1.4 is multiplying the number y, we divide both sides by 1.4:
[tex]\begin{gathered} \frac{70}{1.4}=\frac{1.4y}{1.4} \\ 50=y \end{gathered}[/tex]This means that the solution of the equation is y=50.
