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
Arlecino [84]
3 years ago
15

Solve the system or equations by substitution y= 3 2x- y = 7

Mathematics
2 answers:
allochka39001 [22]3 years ago
8 0
Answer: -5
2x=7+3
-2x=10
X=-5
Rzqust [24]3 years ago
8 0
Answer: x= 7/2+y/2

explanation: u have to move all the terms that don’t contain X to the right then solve
You might be interested in
Which statement is true
Jet001 [13]

Answer:

A

Step-by-step explanation:

using common sense you can see that the angle of c is obtuse and it would need to be smaller than angles a and b

4 0
3 years ago
At midnight the temperature is -6 degrees C. At midday the temperature is 9 degrees C. By how much did the temperature rise? *
Nastasia [14]

Answer:

it rises 15 degrees

Step-by-step explanation:

sorry if it is wrong but I am sure it us 15

6 0
3 years ago
What is the area of a trapezoid with bases of 15.8 yd and 21.8 yd and a height of 11.7 yd?
DedPeter [7]

Add the bases together, divide that by 2 then multiply by the height.

15.8 + 21.8 = 37.6

37.6/2 = 18.8

18.8 x 11.7 = 219.96 yd^2

3 0
3 years ago
Read 2 more answers
About how much taller is rhe burj khalifa than the eiffel tower?
Ymorist [56]
The CN Tower is 553.33 m (1,815.4 ft) tall from its antenna spire. Meanwhile, the Eiffel Tower only measures 324.00 m (1,063 ft) from its antenna spire.
4 0
3 years ago
Which of the following percentage is the discount for a textbook ,if the original price is $107,00 and the discount $62?a. 42. b
nordsb [41]

Answer:

Concept: Percentage Change

  1. Original Price: 107
  2. At a discount of: 62
  3. Hence 107-62= 45
  4. Hence B
5 0
2 years ago
Other questions:
  • How do i write 3% as a fraction​
    13·1 answer
  • 30 POINTS + BRAINLIEST TO FIRST CORRECT ANSWER!
    14·2 answers
  • 8(3+4) - 2•8 ÷ (5-3)​
    11·2 answers
  • Y=2x^2 - 8x+3 graph the equation
    9·1 answer
  • (-13) + (-14)+6<br> explain
    10·1 answer
  • Hey can anybody give me a teachers answer key on dis lessons
    12·1 answer
  • The number of students in a book club is increasing 15% per year. If there were 21 students in the club in 2010, then how many w
    5·1 answer
  • Please help~ I will mark best answer!!!
    10·1 answer
  • Monica estimates the recipe makes about 5 cups of fruit salad. Which explanation describes whether Monica's estimate is reasonab
    14·1 answer
  • There is a pair of parallel sides in the following shape.<br> what is the area of the shape? units^2
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!