Question

A+A+A = 30 , A+B+B = 18, B-C=2, A+BxC = ?

Answer 1

answer is 28

Step-by-step explanation:

A+A+A=30

1)10+10+10=30

as we know that A=10(1)

therefore,

10+B+B=18

10+2B=18

2B=8

B=4(2)

therefore ,

4-C=2

-C=-2

C=2(3)

from 1,2 and 3

10+4×2=28