Question

a+a=2 a+b=3 a+b+c=6 a+b+c×4= answer​

Answer 1

2a=2

a=1

1+b=3

b=3-1

b=2

1+2+c=6

c=6-3

c=3

So, a+b+c×4

1+2+3×4=1+2+12

15(ans)