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
guajiro [1.7K]
3 years ago
8

What is the value of x in the solution to this system of equations?

Mathematics
1 answer:
siniylev [52]3 years ago
8 0

Answer:

D) x=9

Step-by-step explanation:

x = 2y- 5

2y = x + 5

y = (x+5) / 2

4x + 7(x+5)/2 = 85

8x + 7x + 35 = 85*2

15x + 35 = 170

15x = 170 - 35 = 135

x = 135/15 = 9

You might be interested in
. A fence encloses a triangular field. There is
poizon [28]

Answer:

  • 16 posts

Step-by-step explanation:

<u>Sides are:</u>

  • 20 ft, 25 ft and 35 ft

<u>There are following number of posts on each of the sides:</u>

  • 20 ft side ⇒ 20/5 = 4
  • 25 ft side ⇒ 25/5 = 5
  • 35 ft side ⇒ 35/5 = 7

<u>Total number:</u>

  • 4 + 5 + 7 = 16 posts
6 0
3 years ago
Which formula gives the area of rectangle EFHG? (AND EXPLAIN!)
GREYUIT [131]
Your answer is c, common sense
7 0
3 years ago
Read 2 more answers
eight workers can clear twenty acres of a field in three days. how many workers are needed to clear fifty acres in five days?
Morgarella [4.7K]

Answer:

12

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
WILL GIVE BRAINLIEST PLEASE HELP!!!
laiz [17]

Answer:

its the top right answer choice

you'd simply just need to subtract 80 from 210 since its 10 per visit, and after 8 visits well its self explanatory

Step-by-step explanation:

its the top right answer choice

you'd simply just need to subtract 80 from 210 since its 10 per visit, and after 8 visits well its self explanatory

5 0
3 years ago
-9×+1=-x+17 solve equation
gavmur [86]
-9×+1=-×+17
-9×=-×+16 (subtract 1 from both sides)
-8×=16 ( add x to both sides)
×=-2 (divide -8 from both sides)
3 0
3 years ago
Other questions:
  • How to solve 5+3x=x-7
    10·1 answer
  • 3x - 4 = 17 solve for x
    13·2 answers
  • How to do this question plz answer me step by step plzz plz ​
    11·1 answer
  • X²-12x+a=(x+b)² find a and b​
    12·1 answer
  • Annie wants to create a right triangle with side lengths 12 centimeters, 35 centimeters, and
    13·1 answer
  • Please I need help
    14·2 answers
  • How do i find b in this​
    8·2 answers
  • Fill in the blanks….
    9·1 answer
  • I NEED HELP WITH THIS ASAP I WILL MARK YOU THE BRAINLIEST NO LINKS!!!
    12·2 answers
  • Suppose that an experiment consists of flipping a coin 3 times and observing the resulting sequence of heads and tails. Find the
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!