Answer:
234 the answer
Step-by-step explanation:
i hope its help
9/20
Step 1:
1/4 + 1/5
Step 2:
5/20 + 4/20
Hope This Helps :)
x is 3.4 i think
So the correct answer is"none of the above".
z+(z+6)=z+z+6=2z+6. \\ \\ (z+z)+(z+6)=z+z+z+6=3z+6. \\ \\ (z+6)+6=z+12 \\ \\
