Question

13(y+3)=13y+39 how many solution

Answer 1

13(y+3)=13y+39

mutiply the bracket by 13

(13)(y)= 13y

(13)(3)= 39

13y+39= 13y+39

move 13y to the right side

sign changes from +13y to -13y

13y-13y+39= 13y-13y+39

0+39= 0+39

39= 39

Answer:

all real numbers