1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Vlada [557]
3 years ago
11

Sum of a number x and three is twelve

Mathematics
2 answers:
krek1111 [17]3 years ago
6 0
If you mean this: 
x + 3 = 12 

then for finding the answer you should just put -3 on both sides and you will get 9 for your answer! 

Happy Thanksgiving :) 
sergejj [24]3 years ago
4 0
1)12-3=9
2)you need to check it so
3)9+3=12
You might be interested in
David is three time as old as Joseph after 3 years David will be only twice as old as process will be there find their present a
kvasek [131]

Answer:

Joseph's present age=3 yrs

David's present age=9 yrs

Step-by-step explanation:

Let Joseph's present age be x.

David's present age=3x

__________________

Ater 3 yrs,

Joseph's age=x+3

David's age=2(x+3)

Also, we can add 3 to David's present age to get age After 3 yrs. So, David's age after 3 yrs would also be 3x+3.

Now, balance them.

3x+3=2(x+3)

3x+3=2x+6

x=3

D"s prsent age=9

J's present age=3

5 0
11 months ago
Whats the circumference of a circle with a diameter of 30 centimeters
Bingel [31]
<span>94.25 centimeters is your answer. Hope this helps!</span>
8 0
3 years ago
Read 2 more answers
The band sold $498 worth of tickets for their spring concert. Adult tickets cost $5 each and student tickets cost $3 each. If th
saw5 [17]
Let: A = adult tickets; S = student tickets

a. 498 = 5A + 3S
    118 = A + S

b. S = 118 - A
    498 = 5A + 3(118 - A)
    498 = 5A + 354 - 3A
    498 - 354 = 2A
    144 = 2A
     A = 72
     
    118 = S + A
    118 = 72 + S
    118 - 72 = S
    S = 46

c. Therefore, there were 72 adult tickets and 46 student tickets sold. 

5 0
3 years ago
What is 12 with a exponet of 12 and how would you set it up​
Burka [1]

Answer:

12^12.

=12*12*12*12*12*12*12*12*12*12*12*12

=

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the distance between points (5, 5) and (-1, 5) on a coordinate plane?
Vladimir79 [104]

Answer:

(-4, 0)

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Other questions:
  • I'm thinking of a number. This number is 12 less than its square. What could my number be?
    5·1 answer
  • How do you solve 11x=24+8x
    15·1 answer
  • An isosceles triangle has at least two congruent sides. The perimeter of a certain isosceles triangle is at most 12 in. The leng
    12·1 answer
  • total of 78 baseball and football cards in a box. ratio of baseball to football cards is 8 to 5. how many baseball cards are in
    14·1 answer
  • The area of a square is equal to twice the perimeter of the square. find the perimeter of the square.
    15·1 answer
  • Fifty undergraduate and twenty graduate student volunteers participated in a study of whether ambient temperature affects cognit
    15·1 answer
  • Please help I’ll mark you as brainliest if correct!
    5·2 answers
  • A levee protects a town in a low-lying area from flooding. According to geologists, the banks of the levee are eroding (wearing
    11·1 answer
  • How would you find the missing value? 15/4=5/x
    8·1 answer
  • J/4 - 1 = 1.7 solve for j ​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!