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
ad-work [718]
3 years ago
6

2x+7y=1 X+5y=2 answer using elimination method

Mathematics
1 answer:
miskamm [114]3 years ago
5 0
\left \{ {{2x+7y=1} \atop {x+5y=2\ \ |*(-2)}} \right. \\\\
 \left \{ {{2x+7y=1} \atop {-2x-10y=-4}} \right. \\+----\\elimination\ method\\\\
-3y=-3\ \ \ | divide\ by\ -3\\
y=1\\\\
x=2-5y=2-5=-3\\\\
solution:\\ \left \{ {{y=1} \atop {x=-3}} \right.
You might be interested in
2. Ms. De Los Santos bought 5 3/7 gallons of ice cream for the 6th grade Wakanda Day celebration. If each scholar is served 1/16
nikdorinn [45]
So we convert both to improper fractions.
38/7 and 1/16
Now we make them the same denominator
608/112 and 7/112
Now we divide 608 by 7
Maximum amount which can be given is 85 scholars.
Give me brainliest answer!
8 0
3 years ago
How many solutions does 2x-4=4-2x have?
Mashcka [7]

Answer:

8/4 or 2

Step-by-step explanation:

2 solutions

4 0
3 years ago
Read 2 more answers
What is the total payment for a 6700 loan at 13.5 percent for 5 years
viva [34]
Interest charged: I=prn=6700*0.135*5 = 4522.50
Total re-payment: 6700+4522.50 = 11 222.50
7 0
3 years ago
What’s the answer to this please?
MAVERICK [17]
The answer is c I think
8 0
4 years ago
2 &gt; -4 <br> Multiply both sides by -3
Alenkinab [10]

Answer:

-6 > 12

Step-by-step explanation:

boom roasted. and I need to right more ig

4 0
3 years ago
Other questions:
  • Mario bought a shirt priced at $ 24.99 and a pair of pants priced at $ 39.99. For these items, he paid a total of $ 69.53 , sale
    8·1 answer
  • Find the volume of the parallelepiped determined by the vectors a, b, and c. a = 1, 3, 2 , b = −1, 1, 5 , c = 4, 1, 3 in cubic u
    7·1 answer
  • Define democracy?Write any four key elements of democracy. Easy answer required.
    10·1 answer
  • Maren walks 3 / 5 mile in 24 minutes at a steady pace. how long does it take her to walk 2 miles
    9·1 answer
  • 25.6%, 38.2%, 6/23, 3/10 greatest to least
    14·1 answer
  • For the function f(x) = 2x +3, evaluate f(3).
    12·2 answers
  • Choose the expression that represents a quadratic expression.
    9·1 answer
  • Solve the following system of equations.<br> 5x - 4y= -16<br> 2x+9y=-17
    15·1 answer
  • Can someone help me please
    15·1 answer
  • I need help please I can’t fail this
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!