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
bixtya [17]
3 years ago
13

2x - 7y = 13 3x + y = 8

Mathematics
1 answer:
Rufina [12.5K]3 years ago
6 0
<span>A) 2x - 7y = 13
B) 3x + y = 8
Multiplying equation B by 7
B) 21x + 7y = 56 then adding it to A
</span><span>A) 2x - 7y = 13
23x = 69
x = 3
y = -1
</span>
You might be interested in
Write an equation for the line that passes through (2,10),(0,4)
Y_Kistochka [10]
I'm going to go right ahead and assume that we're talking about a linear equation.

The linear equation passing through the points given is y=3x+4, since it satisfies both of the points given.  
8 0
3 years ago
A student claims that the expression “9 times the sum of a number and 13" is translated to the algebraic expression 9n + 13. Is
FrozenT [24]

Answer:

No, the student is not correct. The correct expression is 9(n+13).

Step-by-step explanation:

"9 times the sum of a number and 13" means you must multiply 9 by the sum, not just by the number. 9n + 13 would be "the sum of 9 times a number and 13." Slightly different wording.

4 0
3 years ago
Read 2 more answers
Jim cuts the grass every 7 days and works in the garden every 3 days. If he cut the grass and worked in the garden on June 1st,
Flura [38]

Answer:

june 4th

Step-by-step explanation:

3 0
3 years ago
Order the numbers from least to greatest.<br><br> 0.70, 0.701, 0.71, 0.078
pishuonlain [190]

Answer:

0.078,0.70,0.701,0.71

5 0
3 years ago
Read 2 more answers
Write and solve an equation to find the value of the variable 104,137,154,131,x; mean=130
Damm [24]
(104+137+154+131+x) / 5 = 130

The calculation part I would like to leave it for you. It's a good practice.
3 0
3 years ago
Other questions:
  • You know that 12x=60, and that x=5. Which property of equality would you use to conclude that 12•5=60?
    15·1 answer
  • Wrire a fraction that is less than 5/6 and has a denominator of 8
    13·1 answer
  • Tamara bought yarn for $39 and 2 pairs of knitting needles. Her total cost for the yarn and knitting needles was $69. Tamara wri
    10·2 answers
  • What is the area of the 6 circles all together? Find the diameter of each circle, divide that by 2 to find the radius. Use the a
    12·2 answers
  • Coretta has 79 nickels, 31 dimes, 13 quarters , and 9 fifty-cent pieces. How much money does she have?
    12·2 answers
  • Factor the expression. 6x^2 + 5x + 1
    10·2 answers
  • Help pls is the ans 36???
    13·1 answer
  • What is the surface area of the right rectangular prism? Enter your answer in the box. 6ft 4ft 3ft
    14·1 answer
  • The length of a rectangle is six times its width.
    15·1 answer
  • Please help! Do you know the answer<br>​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!