Question

7) A tank filled with ( 12a + 8) litres of water.Out of which (7a -5) litres of
water is used. How much water is left out?
5a+3
5a+13
19a+3​

Answer 1

Answer:

12a + 8 -7a -5 = 5a+3

So 5a+3 is the correct answer

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Answer 2

Answer:

5 a +13

Step-by-step explanation:

the water left out in the tank is 5A + 13 litres