find A and B (two possitive number) such that A+B =220 and A-B =20
Answers
Answered by
1
Answer:
A=120 B=100
Step-by-step explanation:
120+100=220
120-100=20. please follow and like
Answered by
1
a+b=220let it be eq1
a-b=20let it be eq 2
add eq 1 and 2 by adding we get 2a=240 a=120
by substituting a in eq1 or eq2 we get b value i.e100
Similar questions