Question

find the value of a if 7a=60²-53²​

Answer 1

Answer:

7a=60^2-53^2

=>7a=3600-2809

=>7a=791

=>a=791/7

=>a=13

PLEASE MARK AS BRAINLY

Answer 2

Answer:

a=113

Step-by-step explanation:

7a=60*60-53*53

7a=(60+53)(60-53)       (identity:(a*a-b*b)=(a+b)(a-b)

7a=113*7

a=113*7/7

Therefore,a=113$\geq$