Question

if image is not clear than only delete this question if its clear then please answer​

Answer 1

Answer:

it is very clear you you added new monitor then the answer is a + b then fo + 3 is going to the numerator so 7 is coming is equal to a + b then 3x let 3x and 4x January answer become for because a plus b the value of 4 and the Three is left because the sum in violet reason 3 Sab tractor by X

Answer 2

Answer:

3a + 4b - 48

hope it helps!!