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
Lapatulllka [165]
3 years ago
13

( use elimination) on 3x+5y=12 and x-3y=4

Mathematics
1 answer:
Elena L [17]3 years ago
7 0

Answer:

x=4 y=0

Step-by-step explanation:

3x+5y=12

-(x-3y=4)

3x+5y=12

3(-x+3y=-4)

3x+5y=12

-3x+9y=-12

14y=0

y=0

Then, substitute the y into the equation to find x

x-3(0)=4

x=4

You might be interested in
The LCD for the fraction 1/3, 3/4, 5/32, and 8/9 is
timama [110]
D 288 1/3 = 96/288     3/4 = 216/288     5/32 = 45/288      8/9 = 256/288 

1/3 times 96    3/4 times 72     5/32 times 9     8/9 times 32 

Hope This Helped! :3
5 0
3 years ago
Read 2 more answers
How would i solve this? SOLVE FOR TU
creativ13 [48]
First subtract 30-23 that’d be the value of UV(7) now subtract 18 from 7, the answer will be 11 therefore TU is 11.
7 0
2 years ago
Simplify the following expression. show your work.<br> (-y + 5.3) + (7.2y - 9)
Kitty [74]

Answer:

6.2y - 3.7

Step-by-step explanation:

−y+5.3+7.2y−9

Subtract 9 from 5.3 to get −3.7.

−y−3.7+7.2y

Combine −y and 7.2y to get 6.2y.

6.2y−3.7

6 0
2 years ago
Sierra and Amy are selling cheesecakes for a school fundraiser. Customers can buy pecan
Tom [10]

Answer:

number 1 option

Step-by-step explanation:

Sierra

10p + 5s = 115

Amy

1p + 3s = 34

4 0
3 years ago
12. What value of c would make x = 4 in the<br> equation 5 + cx = 13 ?
Pavel [41]
Plug in 4 for x and solve equation like so. c=2

4 0
3 years ago
Other questions:
  • Solve each system by adding or subtracting -2x-y=-5,3x+y=-1
    15·1 answer
  • If a migrating hawk travels m mph in still​ air, what is its rate when it flies into a steady headwind of 3 3 ​mph? what is its
    12·2 answers
  • 5 less than twice a number is equal to one half the difference of three times the number and 13. Find the number.
    7·1 answer
  • 70 over 100 it is the same 0.07 explain
    15·2 answers
  • What is 9 times 1/10 times 6 times 1/100 4 times 1/1000?
    7·2 answers
  • Help please can figure this out
    14·1 answer
  • Solve the equation for<br> x 3/4(x+21) = 10.5 <br> x =
    6·1 answer
  • A publisher needs to send many books to a local book retailer, and will send the books in a combination of small and large boxes
    12·2 answers
  • Please help me please help no links
    7·1 answer
  • Solve for x then find the measure of angle A
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!