Answer:0n=0
Step-by-step explanation:
-2n+9+2n=9
-9 -9
———————
-2n+2n=0
-2n -2
———————
0n=0
Answer:
15
Step-by-step explanation:
Step 1: distribute the negative: 4+11
Step 2: add up the numbers: 15
Hope that helps
Answer:
Step-by-step explanation:
35
Do cross multiply or butterfly.
For example first one.
18/x=6/10 So cross multiply 18×10 =6x
180=6x
Divide both sides by 6 to get x alone
180÷6=30
So x =30 Do the same to rest
Answer:
21/7= 3
Step-by-step explanation: