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
Margarita [4]
3 years ago
13

Use substitution to solve the system of equations. 28 = x – 7y –3x + 9 =4y

Mathematics
2 answers:
Serggg [28]3 years ago
5 0
The answer is (7,-3)
erica [24]3 years ago
4 0

Hello!

<h2>Answer:</h2>

\boxed{ \bf Solution:~(7,-3)}

<h2>Explanation:</h2>

I solved the problem in the image attached below. Go check it out! If you don’t understand a certain step, you may ask me in the comments.

You might be interested in
<img src="https://tex.z-dn.net/?f=%20%7B9%7D%5E%7B2%7D%20-%202%281%20%2B%203%29" id="TexFormula1" title=" {9}^{2} - 2(1 + 3)" al
Dmitrij [34]
The answer is 73 because you solve 9^ 2 which is 81 then multiply 2 times 4 which is 8 then subtract 81 and 8 which is 73
8 0
3 years ago
Read 2 more answers
Find the measure of ∠2.<br><br> and how did you find the answer??
Rufina [12.5K]
The 2 lines are parallel, so the 2 sides(e.g. 1 and 2/ 3 and 49) add up = 180 and In this case the 2 sides are equal as u can see from the original diagram so the angle  of 2 is 180-49=131.

5 0
3 years ago
If Carbon Monoxide had a concentration in the air of 0.000518% how many particles out of 331,002,651 would be Carbon Monoxide?
Alex17521 [72]

Answer:

171,459 particles of CO

Step-by-step explanation:

331,002,651×0.000518 = 171459

5 0
4 years ago
What is the GCF of 147y^3 , 245y^2
NikAS [45]
147  = 3 * 7 * 7
245 =  5 * 7 * 7

so the gcf is 7*7  = 49 

abd gcf of y^3 and y^2  is y^2

answer:-  49y^2
8 0
3 years ago
You buy a sweatshirt for $50, it is on sale for 20% off. What is the discount? What is the sale
Svetradugi [14.3K]

Answer:

Step-by-step explanation:

The discount is $10.

Subtract it from $50 to get $40 as your sale price!

3 0
3 years ago
Read 2 more answers
Other questions:
  • PLEASE HELP!!!<br><br> A. 30<br><br> B. 34<br><br> C. 46<br><br> D. 36
    10·1 answer
  • Which three lengths could be the lengths of the sides of a triangle? A.21 cm, 7 cm, 7 cm B.9 cm, 14 cm, 22 cm C.15 cm, 5 cm, 20
    5·1 answer
  • 30 is what percent of 80?
    11·2 answers
  • . Show that square of any positive integer can not be of form 7q + 3 or 7q+5or 7q + 6, for any integer q
    8·1 answer
  • For what values of x is x2-36=5x true?
    5·2 answers
  • Solve for xxx. 12x+7 4012x+7 4012, x, plus, 7, is less than, minus, 11, start color #ed5fa6, start text, space, O, R, space, end
    12·1 answer
  • Please help my grades come out soon
    14·1 answer
  • Please Help rewarding brainliest
    14·1 answer
  • After brainstorming and considering his audience, Angel wrote this thesis statement:
    7·2 answers
  • A circular hot spring has a diameter of 96 meters. Over time, the diameter of the spring decreases by 8 meters. By how many squa
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!