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
Angelina_Jolie [31]
3 years ago
7

What is the elimination of 2a+3b=12 and 5a-b=13

Mathematics
2 answers:
Anton [14]3 years ago
7 0

2a plus 3b =12

5a minus 1b =13  multiply this by -3 to match 3b in equation 1

2a plus 3b =12

-15 plus 3b =-36

plus 15           plus 15

3b= -21

divide by 3  on both sides

b= -7


baherus [9]3 years ago
6 0
I hope this helps you

You might be interested in
Select all of the products of 2.74 • 7.5
Nana76 [90]
2.74x7.5=20.55=20.550
That's all of your answers.
7 0
3 years ago
Read 2 more answers
If f(x) = 4* + 12x and g(x) = 5x - 1, find (f + g)(x).​
Rudik [331]

Answer:

\large\boxed{(f+g)(x)=4^x+17x-1}

Step-by-step explanation:

(f+g)(x)=f(x)+g(x)\\\\f(x)=4^x+12x,\ g(x)=5x-1\\\\(f+g)(x)=(4^x+12x)+(5x-1)=4^x+17x-1

4 0
3 years ago
Please help with this please!
algol13
It is a they need 27 canoes.
8 0
3 years ago
Read 2 more answers
Arrange and write the integers in decreasing order -47, -82, 77, -48
Travka [436]
Decreasing order : 77 ,-47 ,-48 ,-82
6 0
3 years ago
What is 64% out of 150?
motikmotik

64             x

-----   =   ------

100         150


100x = 9600

      x =  96

8 0
3 years ago
Read 2 more answers
Other questions:
  • HELP ASAP PLEASE!1!! Determine the factors of a2b + 2a2 + 3b + 6. (b + 3)(a2 + 2) (b + 2)(a2 + 3) (ab + 2)(a + 3) (ab + 3)(a + 2
    7·1 answer
  • Find the range for the function k(n) = 2n^2 when D = {–2, 1, 3}.
    13·1 answer
  • If the median of the score distribution on this pop quiz is more than 170, the teacher will drop the next pop quiz. The pop quiz
    14·1 answer
  • Using the distributive property, which expression is equivalent to 5(32)? 5(3+2) 32(5+2) 5*30 + 2*30 5(30+2)
    15·2 answers
  • PLEASE HELP 70 POINTS!!!! I WILL GIVE BRAINLIEST AND THANKS
    5·2 answers
  • How do I solve the ratio of 5:4 = 45:_
    8·1 answer
  • (-6)(-7)= _____ what" please ASAP"
    9·2 answers
  • Interest = $45.60, Rate = 2%, Time = 4 years<br> What’s the principal to the nearest cent
    5·1 answer
  • Consider the cartesian equation of a circle, y=-2+- sqrt 36-(x-1)^2 , verses the parametric equations of the same circle: x=1+6
    15·1 answer
  • 1/3 (3x)(2x-5)(2x-5)=125
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!