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
Leviafan [203]
3 years ago
10

Help asap plzz -3x + 7 = -8

Mathematics
2 answers:
viva [34]3 years ago
8 0

Answer:

x=5

Step-by-step explanation:

-3x+7=-8

Bring 7 to the other side, it becomes negative

-3x=-8-7

Signs are same on rhs so u add

-3x = -8+-7= -15

Bring -3 to the other side n divide

therefore,

x=-15/-3

= +5 (two negatives become positive)

Hope it helps!

Fantom [35]3 years ago
7 0

Answer:

x = 5

Step-by-step explanation:

<u>→Subtract 7 from both sides:</u>

-3x + 7 = -8

-3x = -15

<u>→Divide both sides by -3:</u>

x = 5

You might be interested in
9:45 on Tuesday Questions
Harlamova29_29 [7]

Answer:

See below

Step-by-step explanation:

<u>Angle 4 is exterior angle of the triangle and as per definition:</u>

  • ∠4 = ∠1 + ∠2

<u>Angle 4 is supplementary with angle 3, they sum up to straight angle of 180°</u>

  • ∠4 = 180° - ∠3
7 0
3 years ago
The bar diagram represents 24 hours in one day and shows a mark at 30%If you sleep 30% of the day, how many hours do you sleep?
horrorfan [7]

Let:

100%---------------->24h

30%------------------>xh

Using cross multiplication:

\begin{gathered} \frac{100}{30}=\frac{24}{x} \\ solve_{\text{ }}for_{\text{ }}x\colon \\ x=\frac{30\cdot24}{100} \\ x=\frac{720}{100}=7.2h \end{gathered}

8 0
1 year ago
What is the answer for. 2&amp;1/2-1&amp;1/2
kirza4 [7]
2 and 1/2 - 1 and 1/2
since both equations have 1/2, 1/2 - 1/2 automatically is 0
then youll need to subtract 1 from 2 which is 1
Answer- 1
3 0
2 years ago
Read 2 more answers
X-20 +(30-9)=29<br> What is x if it is &gt;100
jasenka [17]
X=28
It is simple just do percentases and then all the outside stuff
4 0
2 years ago
Read 2 more answers
If A=,[2 5 7],find the value of <br> [1 4 9]<br> [8 3 6]<br>a23+a12-a32 matrix.​
Mazyrski [523]

Answer:

<em><u>T</u></em><em><u>H</u></em><em><u>E</u></em><em><u> </u></em><em><u>C</u></em><em><u>O</u></em><em><u>R</u></em><em><u>R</u></em><em><u>E</u></em><em><u>C</u></em><em><u>T</u></em><em><u> </u></em><em><u>A</u></em><em><u>N</u></em><em><u>S</u></em><em><u>E</u></em><em><u>R</u></em><em><u> </u></em><em><u>O</u></em><em><u>F</u></em><em><u> </u></em><em><u>T</u></em><em><u>H</u></em><em><u>I</u></em><em><u>S</u></em><em><u> </u></em><em><u>Q</u></em><em><u>U</u></em><em><u>E</u></em><em><u>S</u></em><em><u>T</u></em><em><u>I</u></em><em><u>O</u></em><em><u>N</u></em><em><u> </u></em><em><u>I</u></em><em><u>S</u></em><em><u> </u></em><em><u>5</u></em><em><u>.</u></em>

Step-by-step explanation:

Here,

a23=6

a12=5

a32=6

Now,

a23+a12-a32

=6+5-6

=5

6 0
3 years ago
Other questions:
  • A dog trainer is trying to find a triangular area behind his house that encloses 1800 square feet for his dog to run. He has the
    13·1 answer
  • What is the slope of the line through the points -4,7 and -8,8
    14·1 answer
  • A glass is
    13·1 answer
  • Diana works at a clothing store. She sold 1/3 of the total shirts on Tuesday and 5/12of the total number of blue shirts on Wedne
    7·1 answer
  • Find the probability of the following .
    8·1 answer
  • In a GEOMETRIC sequence, the first term is 21 and<br> the common ratio is 2. Find the 15th term.
    6·1 answer
  • 50% of babies are born female. Olive wants to find the probability that 20 or more of the 50 babies born today were female. If w
    6·1 answer
  • A pair of shoes cost $88. You get
    8·1 answer
  • How long does it take to double $1000 at an annual interest rate of 6.35% compounded monthly?
    10·1 answer
  • A number greater than 50 that has exactly 2 factors...<br> fata
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!