Question 952571

{{{(4/10)y + 28 =0}}}
  
{{{(cross(4)2/cross(10)5)y + 28 =0}}}

{{{(2/5)y + 28 =0}}}.....both sides multiply by {{{5}}}

{{{5(2/5)y + 5*28 =5*0}}}

{{{2y + 140=0}}}

{{{2y=-140}}}

{{{y=-140/2}}}

{{{y=-70}}}