Question

-nr+70<50 show answer for N

4b-2d=25 show answer for D

Answer 1

Answer:

-nr+70 <50

or,-nr+70-50 <50-50

or,20-nr <0

or,20-nr-20<-20

or,-nr<-20

or,nr/n<20/n

or,r <20/n

same as

4b-2d=25

or,4b=25+2d

or(4b-25)/2=d

Step-by-step explanation:

we must try to solve equation for answer