Question

plz answer fast I will mark you as a brainliest ​

Answer 1

By cross multiplication,

=> z(9) = 4 ( z+ 15)

=> 9z = 4z + 60

=> 9z- 4z = 60

=> 5z = 60

=> z = 12

ʜᴏᴘᴇ ᴛʜɪs ʜᴇʟᴘs ʏᴏᴜ!

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Answer 2

$<marquee><h1><i><font color= "red">12 </i></h1></marquee>$

is the right answer

hope this helps you

thank you

simple explanation

just do trial and error method

and you'll get

$12 ÷ 12+15$

= $12 ÷27$ (divide both numbers by 3 )

=$4÷9$