+11 votes
1.1k views
in Math by (110k points)

WHAT'S THE ANSWER TO THESE PROBLEMS?

1. 3X_=1+2=_?

2.4+1=_X6=_?

3.22-__=20+1x1=_?

WHOEVER GETS THEM DONE FIRST WHENS MY HONORARY KIDZSEARCH MATH-WHIZ AWARD.




4 Answers

+2 votes
by
 
Best answer
I dont know them
by (110k points)
+1

It's OK I wrote order of operations wrong anyway! laugh

+1 vote
by (15.7k points)
1.3

2.30

3.21

I am not that skilled at math sorry if I am not accurate
+1 vote
by (110k points)

Whizkid, The answers are (in order)

3

30

21

Actually SIMPLIFY instead of making nothing out of it. I don't want a lecture, if I did, i'd disobey someone. so get it together and READ IT. that's all u had to do.

by (71.0k points)
+1
No clue how those answers are right, but will take your word on it...
by (45.3k points)
+1
Im not tryin to be mean or anything,

whizkid, maybe you could try to

OPEN UR MIND A BIT
by (71.0k points)
+1

I just don't understand the question, sorry ...

22-__=20+1x1=_?

The answer given was: 21

I see how 20 + 1x1 = 21

But the first part, 22 - ___ would not be right with 21 as the __ answer, since 22 - 21 = 1  

 

by (45.3k points)
+1
My math teacher always says that to do math efficiently:

 

You don't always have to try to make a big deal and try to calculate the answer.

She says:

"Use what operations u already know. (Like x, +, - like those.)"

See what I mean?
+1 vote
by (71.0k points)
1.  3X_=1+2=_?
The initial question does not really make total sense, since it is say 3 times some number equals 3, which also equals that same number. If I let y = "some number"
 
3Xy=1+2= y
3Xy=3=y
dividing by y
3 = 3/y = 1
There is no answer, since y=3 will make the right part correct, but not the left side.
 
I *think* the question is asking  3X_=1+2, solve for _
Letting y=_
3Xy=1+2
3Xy=3
Divide each side by 3
1Xy=1
y=1
_=1
Answer checks out.
 
2.  4+1=_X6=_?
 
4 + 1 = yX6
5=yX6
divide each side by 6
5/6 = yX1
y = 5/6
Answer checks out.
 
3.  22-__=20+1X1=_?
 
22 - y = 20 + 1X1
simplify right side
22 - y = 20 + 1
22 - y = 21
subtract 22 from both sides
(22 - 22) - y = 21 - 22
0 - y  = -1
-y = -1
divide both sides by -1 to remove the -1 sign
-y/-1 = -1/-1
y = 1
Answer checks out.
 

 




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