The answer to your question is n=0 or n=1/10
8z − 4 = 7z
move 8z to the other side
sign changes from +8z to -8z
8z-8z-4=7z-8z
-4= 7z-8z
-4= -z
mutiply both sides by -1 to get +z
(-4)(-1)= (-z)(-1)
Answer:
z= 4
Thanks with all of my heart!
ik im not first but have a lovely day! u are really kind! never forget that!
Answer:
please the answer is the third option
