Question

pa help bigyan ko 120 gcash​

Answer 1

Step-by-step explanation:

b-c=7 , axb=12 given

b=7+c

b=12/a

put,b=7+c

7+c=12/a

a(7+c)=12

7a+ac=12

ac=12-7a

c-12=-7a/a