CBSE Class 6 Answered
If a+b=5 and 3a+2b=20 then 3a+b=?
Asked by vanikumari | 13 Dec, 2023, 08:37: PM
Expert Answer
a + b = 5 ....(i)
3a + 2b = 20 .....(ii)
Multiplying (i) by 3,
3a + 3b = 15 ....(iii)
Subtracting (iii) from (ii),
-b = 5
Then, a = 10
Therefore, 3a + b = 3(10) + (-5) = 25
Answered by Rashmi Khot | 14 Dec, 2023, 10:33: AM
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