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
diamong [38]
3 years ago
10

1/7 (x-3) = 5/7 ? solve for x.

Mathematics
1 answer:
yuradex [85]3 years ago
4 0
1/7 (x - 3) = 5/7
1/7x - 3/7 = 5/7
1/7x - 3/7 + 3/7 = 5/7 + 3/7
1/7x = 8/7
1/7x(7) = 8/7(7)
X = 56/7
X = 8
You might be interested in
To eliminate the y-terms and solve for x in the fewest steps, by which constants should the equations be multiplied by before ad
vovikov84 [41]

Answer:

use -9 to multiply the first equation

use -4 to multiply the second equation.

Step-by-step explanation:

5x-4y=28.....eqn (1)×-9

3x-9y=30....eqn(2)×-4

-45x+36y=-252

-(-12x+36y=-120)

therefore, -33x÷33 =-132÷-33

x=4.

substitute (x=4) in any of the equation. I'm just going to use eqn 1.

5x-4y=28

5(4)-4y=28

20-4y=28

-4y =28-20

-4y÷-4 = 8÷-4

y=-2

so, x=4, y=-2

Note: for proof of answers substitute the answers for x and y and see if you have the same result...e.g

5(4)-4(-2)=28.

6 0
3 years ago
Read 2 more answers
What is the value of -2(x + 5)
Vanyuwa [196]

Answer:

-2x-10

Step-by-step explanation:

just distribute the -2 :)

4 0
3 years ago
State if the two triangles are congruent. If they are state how you know.<br> Help me
deff fn [24]

Answer:

i think its the last option.

Step-by-step explanation:

its not the first one because they it can be proved using AAS (but that option isnt available)

You can't prove it with SSS or ASA without more info

AAA doesn't exist

theirfore it must be the last option.

3 0
2 years ago
Read 2 more answers
How long does it take to reach 2000$ with an investment of 500$ with a annual interest rate of 6% and doubles every 12 years?
In-s [12.5K]
First you add 2000 and 500 and then when you get the answer you add 6 and 12 then you get the answer
3 0
3 years ago
If 3a - 2 = 10, what is the value of 8a + 1?
crimeas [40]

Answer:

8a+1=33

Step-by-step explanation:

you can solve 3a-2=10 by simplifying to 3a=12, so a=4. Then you replace the a in 8a+1 with 4 to get 32+1, which is 33

6 0
2 years ago
Read 2 more answers
Other questions:
  • (2x−5)2−.5x&lt;(2x−1)(2x+1)−15
    8·1 answer
  • What type of function is represented below the tables of value??
    15·1 answer
  • Distribute5x (3x + 7)
    13·1 answer
  • Nine subtracted from twice a number
    12·2 answers
  • Heather purchased a new $1,500 laptop by using a credit card with a 17% interest rate. She will pay off the balance in 2 years b
    10·1 answer
  • Jesse drank 3/4 of liter of water Monday before going jogging. He drank 3/5 of a liter of water after his jog. How much water di
    15·1 answer
  • Find the area of a circle with radius of 6<br> inches. (Use 3.14 for 1.)
    11·1 answer
  • Find the measure of each angle indicated
    8·2 answers
  • The base of a ladder is 10 feet away from a vertical building. The ladder top rests at the top of the building. The ladder's ang
    7·1 answer
  • PLEASE HELP!!! 30 POINTS AND I NEED IT URGENTLY! FAKE ANSWERS REPORTED
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!