Answer: the answer is 7
Step-by-step explanation: add 9 to both sides, eliminating -9 so now you have 7x=49 divide both by 7 and you get x= 7 check it by inputing 7 for x, 7(7)-9=40
7(7)=49 next 49-9= 40
it checks out, so x= 7
Answer:
1 minute
Step-by-step explanation:
We can see that Lisa types 165 words in 3 mins.
So she types 55 words in 1 minute.
How did I work that out?
Well, all you really do is which is equal to if you divide top and bottom by 3. Anything divided by 1 is itself.
Answer:
363892917382827365
Step-by-step explanation:
thats how one adds
Because they both have two angles tbat are the same size
If you need to you can write it out. the answer is X=14