Question

4. Find the expression from which (2x – 3y) is subtracted to get (-6x -8y)​

Answer 1

(i) Let the required number be x.
  So, five times the number will be 5x.
  ∴ 5x = 40

(ii) Let the required number be x.
     So, when it is increased by 8, we get x + 8.
     ∴ x + 8 = 15

(iii) Let the required number be x.
     So, when 25 exceeds the number, we get 25 - x.
 ∴ 25 - x  = 7

(iv) Let the required number be x.
    So, when the number exceeds 5, we get x - 5.
   ∴ x - 5  = 3

(v) Let the required number be x.
     So, thrice the number will be 3x.
  ∴ 3x - 5 = 16

(vi) Let the required number be x.
     So, 12 subtracted from the number will be x - 12.
   ∴ x - 12 = 24

(vii) Let the required number be x.
     So, twice the number will be 2x.
   ∴ 19 - 2x = 11

(viii) Let the required number be x.
     So, the number when divided by 8 will be x8.
   ∴ x8 = 7

(ix) Let the required number be x.
     So, four times the number will be 4x.
 ∴ 4x - 3 = 17

(x) Let the required number be x.
     So, 6 times the number will be 6x.
    ∴ 6x = x + 5

Answer 2

Answer:

Hope it will be helpfull

Step-by-step explanation:

You have to substract to get :

1. (2x-3y) -(-6x-8y) =18x+5y