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
Vikki [24]
3 years ago
11

What is 9x+3=21 What is the value of x=

Mathematics
2 answers:
natta225 [31]3 years ago
6 0

Answer:

x=2

Step-by-step explanation:

9x+3=21

9x-3=21-3

9x=18

9x/9=18/9

8=2

valentinak56 [21]3 years ago
4 0

Answer:

2

Step-by-step explanation:

You might be interested in
Solve system if equations
Alexandra [31]

Answer:

(2, 9)

x = 2

y = 9

Step-by-step explanation:

To solve this system, we can either use substitution or graph it. I will be showing how to graph it.

To solve by graphing, we graph both of the equations and find the point at which the lines intersect.

[Graph]

-> See attached

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

7 0
2 years ago
CD is the perpendicular bisector AB. G is the midpoint of AB. points E and F lie on CD. which pair of line segments must be cong
Ugo [173]
AG and GB must be congruent and CG and GD must be congruent as well
6 0
3 years ago
Read 2 more answers
Which expression is equivalent to −6(23−12)?
Softa [21]

Answer:

C

Step-by-step explanation:

5 0
2 years ago
When calculating accrued interest over several years that compounds annually, you must _____.
Darina [25.2K]
When calculating accrued interest over several years that compounds annually, you must calculate a new principle each year, adding the accrued interest from the previous year. At the beginning of the new interest period, all the accrued interest is added to the principal which forms a new principle figure that the interest is then counted on. 
3 0
3 years ago
Sally can paint a room in 7 hours while it takes Steve 6 hours to paint the same room. How long would it take them to paint the
mash [69]
Sally paints at a rate of 1/7th room / hour

Steve paints at a rate of 1/6th room / hour

If they both painted together, they would paint 1/7 + 1/6 = 13/42 room/hour

so to paint the whole room, it would take 1/(13/42) = 42/13 =
<u>
3.23 hours (3 significant figures)</u>
5 0
3 years ago
Other questions:
  • Help me simplify 15/3?
    13·2 answers
  • Identify the number that does not belong with the other three. Explain your reasoning. 26.6 repeating 6, square root 48, negativ
    8·1 answer
  • At 11:00 AM a bus left San Jose travelling to Los Angeles at 48 mph. Four hours later a motorcyclist started moving in the same
    15·1 answer
  • If two negative integers are multiplied together the product will be-
    13·2 answers
  • How do I simplify this expression <br><br>(-3)(4x - 12)​
    6·2 answers
  • What is the measure of n?
    8·1 answer
  • PLS HELP IM SLOW<br><br><br> Which graph represents the function ?
    13·1 answer
  • Will give brainliest<br>please hurry and answer<br>i need this asap<br>​
    5·1 answer
  • All you need is in the photo ​
    6·1 answer
  • Arrange the following whole numbers in increasing and decreasing order​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!