Question

(5z+5)+(7z+4) what is this confused ?

Answer 1

Answer:

U have to solve this equation

$(5z + 5) \: + \: (7z + 4)$

$5z + 5 - 7z - 4$

$5z - 7z + 5 - 4$

$2z + 1$

hope this helps you !!