Question

Pls tell step by step
I will mark u brainlist
Class 7

Answer 1

Step-by-step explanation:

1_ 7+5

2_ 2

this is the answer

Answer 2

Answer:

Simple

Step-by-step explanation:

3a The sum of number is 12

1st no. is 7

2nd no. is x

7+x= 12

3b The no. is 4 times means multiplying

Ans is 36

let Multiplicand of 4 is x

4x=36

4a A/Q take y =7

13+y= 20

4b A/Q take x=-1

4+x= 3

NOW IT'S YOUR TURN