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
Colt1911 [192]
2 years ago
15

3x+5y= -9 Y= 2x-7 Use substitution to solve the system

Mathematics
1 answer:
Helen [10]2 years ago
4 0

Answer:

x = 2

Step-by-step explanation:

3x + 5y = -9 ___(1)

y = 2x - 7

Substituting y's value in (1) ..

3x + 5( 2x - 7) = -9

3x + 10x -35 = -9

13x = -9 + 35

13x = 26

x = 26/13

<u>x = 2</u>

You might be interested in
4-3-6x^3-2y^3+3x^3+5+2y^3 combining like terms please check answer before given
strojnjashka [21]
4 - 3 - 6x³ - 2y³ + 3x³ + 5 + 2y³
4 - 3 + 5 - 6x³ + 3x³ - 2y³ + 2y³
6 - 9x³
5 0
3 years ago
Help me with this answer please
Leno4ka [110]
I’m not sure but if it’s LCM it’s 60 if it’s GCF it’s 1
6 0
2 years ago
Read 2 more answers
Answer this question to get marked as brainliest!!!!!
____ [38]

Answer:

h

Step-by-step explanation:

3 0
2 years ago
What is the GCF of 12 and 6? <br><br> Please let Dakotamcclea answer...
Hatshy [7]
The GCF of 12 and 6 is 6!
6 0
3 years ago
Read 2 more answers
What does the 75th term look like of 6,9,12
leva [86]

Answer:

228

Step-by-step explanation:

We are adding 3 each time so general rule is

Tn= 3n + 3

Therefore

T= 3(75)+3

= 228

3 0
3 years ago
Read 2 more answers
Other questions:
  • Solve the equation or formula for the indicated variable. S = 5 r 2 t, for t
    9·1 answer
  • PLEASE HELP!!! Will mark brainliest
    10·2 answers
  • What is the surface area-to-volume ratio of the spherical barrel cactus
    10·1 answer
  • How to do Riemann's Hypothesis?
    7·1 answer
  • Please help me if you can!!
    10·1 answer
  • I can’t find an answer
    15·1 answer
  • Find the perimeter of the figure
    15·1 answer
  • Use the conditional statement to answer the question.
    10·2 answers
  • DONE BY 3:40 What is the greatest common factor of 60, 84 and 72?
    5·1 answer
  • 2. Sandra has earned 284 out of 300 points in Math class. What grade did Sandra
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!