Question

4,2 *( 0,8+ y)=8,82

Answer 1

4,2*(0,8+у)=8,823,36+4,2у=8,824,2у=5,46у=1,3

Answer 2

4.2*(0.8+y)=8.82 
4.2*0.8=3.36
4.2*y=4.2y
3.36+4.2y=8.82
4.2y=8.82-3.36
4.2y=5.46
y=1.3