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
Marrrta [24]
2 years ago
6

Solve for x. 2x+3y=20 -2x+y=4

Mathematics
1 answer:
Mama L [17]2 years ago
3 0

Answer:

x = 1

Step-by-step explanation:

-2x + y = 4

y = 2x + 4

2x + 3y = 20

2x + 3(2x + 4) = 20

2x + 6x + 12 = 20

8x + 12 = 20

8x = 8

x = 1

You might be interested in
Which algebraic expression represents the word expression "three times the square of a number, n, subtracted from 54"?
sveta [45]

Answer:

54 - 3n²

Step-by-step explanation:

Square of a number n = n²

Three times the square of n = 3*n² = 3n²

Expression:

54 - 3n²

3 0
2 years ago
Luis is finding 9-6+2. Find his mistake and correct it
valina [46]
Luis is finding 5 because 9 minus 6 is 3. 3 plus 2 equal 5 easy
3 0
3 years ago
Hellllpme!!!!! ASAP!
Vikki [24]

Answer:

A

Step-by-step explanation:

This notation says that x+x+x+x+37=69

This can be simplified to say 4x+37=69

6 0
3 years ago
Read 2 more answers
Find the slope and y-intercept of the line.
balandron [24]

Answer:

D

Step-by-step explanation:

Slope = (y2 - y1) / (x2 - x1)

= (2 - 0) / (0 - (-3)

= 2/3

Y intercept 2

4 0
2 years ago
the length of a rectangle is 8 less than twice the width. the perimeter is 38 feet. Find the length and width. someone please he
Aleksandr-060686 [28]

Answer:L=4 W=15

Step-by-step explanation:

P=2L+2W

38-8=30

If length is 8 less than twice the width and the perimeter is 38, then subtract 38-8 which is 30, then divide 30 by 2 to get 15.

P=2(4) +2(15)

P=38

7 0
3 years ago
Other questions:
  • What is<br> $700<br> simple interest ?<br> 7%<br> 7 years 5
    13·1 answer
  • if Mary deposits $275 in principal at an interest rate of 3.2% how much interest will she earn in one year
    6·1 answer
  • The answer to the problem
    14·1 answer
  • Arnold makes a chart to summarize what happens when light interacts with matter and is reflected. Which idea does Arnold need to
    10·2 answers
  • Find the surface area of the cylinder. Use pi=3.
    9·2 answers
  • Tom and Susan park at different lots.
    14·1 answer
  • Emily bought 63 yards of fabric to make curtains.
    10·2 answers
  • Find the value of x.<br> (2x - 95)°
    15·1 answer
  • I really need help... factor by the simplest form 46xy^5
    11·1 answer
  • Convert the function from vertex form to standard form. <br> -1/2(x + 2)^2 - 3
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!