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
hodyreva [135]
4 years ago
10

How u solve this problem 7x-y=6 -7x+y=-6

Mathematics
1 answer:
slava [35]4 years ago
4 0

\underline{+\left\{\begin{array}{ccc}7x-y=6\\-7x+y=-6\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad0=0\\\\\text{Infinitely many solutions}\\\\\left\{\begin{array}{ccc}x\in\mathbb{R}\\y=7x-6\end{array}\right

You might be interested in
What is the value of x4 + 5.2y, when x = 2 and y = 3? (10 point) Question 12 options: 1) 23.6 2) 24.6 3) 27.6 4) 39.6
Firdavs [7]

Answer:

23.6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the value of r? 1.2r−1 1.3r=40
Alexus [3.1K]
  the value is 
1.2r-11.3r=40

-10.Ir=40
r=40/-10.1
r=-0.2525
 
hope this helps :):):)
4 0
3 years ago
**25 subtracted from the product of a <br> number and 7 is less than -39.*
riadik2000 [5.3K]

Answer:

7n-25 < -39

Step-by-step explanation:

7 0
3 years ago
Which phrase describes the algebraic expression x - 21.5?
Nuetrik [128]
X - 21.5 = <span>x less 21.5


answer
</span><span>d. x less 21.5


</span>hope it helps
8 0
3 years ago
Read 2 more answers
What is the what is the answer
ElenaW [278]
The answer would be D. 18/6. We can figure this out because in the question, it says that each shape is worth one whole. There are three shapes so that means when added, the sum is 3 and 18/6, when reduced is 3.
I hope this helped! :-)
3 0
4 years ago
Other questions:
  • josh and Anthony have a lemonade stand.They charge $1 for 2 cups of lemonade.they sell 14 cups each afternoon.is it reasonable t
    15·1 answer
  • Please guys! I have ONE more question left. I AM GIVING 15 POINTS. PLEASE ANSWER! THANK YOU!
    9·1 answer
  • What is the value of sinC ?
    15·2 answers
  • Identify the variables in the following.<br> A) 4r- 3<br> B) x + 7
    9·1 answer
  • True or false, f(x) is a function
    6·2 answers
  • 12/15 and 24/30 equivalent fractions
    10·1 answer
  • There are 24 female performers in a dance recital. The ratio of men to women is 3:4. How many men are there in the dance recital
    10·2 answers
  • Find four consecutive integers such that twice the sum of the first and third is
    7·1 answer
  • HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
    13·1 answer
  • Alex needs to catch a train. The train arrives randomly some time between and , waits for minutes, and then leaves. If Alex also
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!