Question

A+2B=20
A+B=15
A=?
Ans the question to prove that you are intelligent​

Answer 1

Answer:

a = 10 is the right answer mark me brainliest plz and follow plz

Answer 2

Answer:

10

Step-by-step explanation:

from a+2b=20

a=20-2b

put it in next equation

20-2b+b=15

20-b=15

b=5

so put this value in any of the equations

:a+b=15

=a+5=15

a=10