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
Alenkinab [10]
3 years ago
12

Solve -4(3x-7) =40 for x

Mathematics
1 answer:
PIT_PIT [208]3 years ago
4 0

Answer:

x = -1

Step-by-step explanation:

-4(3x-7) =40

Divide each side by -4

-4(3x-7)/-4 =40/-4

3x-7 = -10

Add 7 to each side

3x-7+7 = -10+7

3x = -3

Divide each side by 3

3x/3 = -3/3

x = -1

You might be interested in
PLEASEE 7TH GRADE MATH
Andrews [41]

Answer:

so first question is b)8/5p=c, explanation in comments and your second question is 25%explanation in comments!! Have a good day and hope this helped!!

Step-by-step explanation:

7 0
3 years ago
Estimated the difference 825 round subtract the rounded numbers 213 rounds to
boyakko [2]

Answer:

600

Step-by-step explanation:

Given,

Numbers are 825 and 213.

If the number are equal  or greater than 50 then one number will be rounded up. if the number is less then it will rounded down.

Like in this case 25 and 13 are less than 50 so, they will not rounded up.

825 will be rounded to 800.

213 will be rounded to 200.

Subtraction of number

= 800 - 200 = 600

7 0
3 years ago
Each nickel is $0.05. Write and solve an equation to determine the total number of nickels needed to make $2.25
Alexeev081 [22]

Answer:

you need 45 nickels

Step-by-step explanation:

5 0
3 years ago
What is the length of CD? In this diagram, AABC ~ AEDC. 20-% c * 7 21​
d1i1m1o1n [39]

Answer:

\frac{BC}{DC}=\frac{AC}{EC}

\frac{20-x}{x} =\frac{21}{7}

\frac{20-x}{x} =3

20-x=3x

4x=20

x=5

So, CD=5

<u>OAmalOHopeO</u>

<u />

6 0
3 years ago
41-(2c+3) = 4(c+6)+c
lina2011 [118]

Answer:

c=2

Step-by-step explanation:

i hope this is what you were asking for :)

8 0
3 years ago
Other questions:
  • What is the y intercept of the line 2x + 5y = -10? a.2 b.-2 c.5 d.-5
    15·2 answers
  • What is the value of 5.4 × 10^8
    5·2 answers
  • You want to find out what the favorite hot lunch in the school cafeteria is among the high school students. At an assembly for t
    12·1 answer
  • I WILL GIVE BRAINLIEST
    6·1 answer
  • Need help figuring out the answer got any tips??
    6·2 answers
  • Sushil was thinking of a number. Sushil adds 7 to it, then doubles it and gets an answer of 85.5. What was the original number?
    7·2 answers
  • Someone help with this problem and the other ones if you can!!!!
    6·1 answer
  • I need help asap<br> if u can
    5·1 answer
  • Beverly bought a roll of 10 yards of ribbon.
    9·1 answer
  • How do I do this? Subtract the expressions (3x+3)-(4x+6)
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!