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
Dmitrij [34]
3 years ago
15

A + b= 7a - b = 3Plz help I'm confuse​

Mathematics
1 answer:
Maslowich3 years ago
6 0

Answer:

a=5; b=2

Step-by-step explanation:

a = 3 + b \\ 3 + b + b = 7 \\ b = 2

a = 2 + 3 = 5

You might be interested in
<img src="https://tex.z-dn.net/?f=find%20%5C%3A%20%20%5Cfrac%7Bx%7D%7By%7D%20" id="TexFormula1" title="find \: \frac{x}{y} " al
Aliun [14]

Answer:

The Answer is: x / y = 8 / 3

Step-by-step explanation:

3(x - 2) - 4(2y - 1) + 2=0

3x - 6 - 8y + 4 + 2 = 0

3x - 8y = 0

3x = 8y

3x/y = 8

x / y = 8 / 3

Hope this Helps! Have an Awesome Day!! (-:

8 0
3 years ago
Read 2 more answers
Place pi squared, 10, and square root of 70 in least to greatest
Nutka1998 [239]

Answer:

squaare root of 70<pi squared<10

Step-by-step explanation:

Talking about square root of 70, you can take the answer by approximation. u know square of eight is sixty four and square of nine is eighty one. so 70's square root shluld be between eight and nine. And as the value of pi is 3.14... when square of pi is considerd it should be >9 but <10 as pi>3. So 10 become te greatest

3 0
3 years ago
Some please help!!!!! Brainiest will be marked!!! No link i can’t open it!!!
fiasKO [112]
Week 15 they'll both weigh 181 lbs
7 0
2 years ago
you deposit $700 in an account with an annual interest rate of 4%. calculate the amount of money you will have in that account a
vlabodo [156]

Answer:1872

Step-by-step explanation:

7 0
3 years ago
Peggi put some hairbows in 6 party bags. Her sister Tori put 2 more
irga5000 [103]

Answer:

Peggi put a total of 18 hair bows in the bag

Step-by-step explanation: There at six bags with an unknown amount of hairbows in each bag. You add 2 to each bag and you will end up getting 12 hairbows from her sister because 6x2=12. then you subtract the total (30) from her sister Toris amount (30-12) this equals 18.

5 0
3 years ago
Other questions:
  • 3x-7y=2 solve for x. Can you show how you do it?
    11·1 answer
  • (a + b)(a ² - ab + b ²) Please help!
    9·2 answers
  • What is the volume of a right circular cylinder with a base diameter of 18yd. And a height of 3yd.
    14·1 answer
  • Suppose that 70% of the customers of a fast food chain order french fries how many of the next twenty customers who place an ord
    9·1 answer
  • 50 PTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! When 1250^3/4 is written in simplest radical form, which value remains under the radical?
    7·1 answer
  • Use inverse operations to solve the equation <br><br> k + 7.2 = 3.4
    6·1 answer
  • Tareq pays $22.10 for 2,6 pounds of salmon, What is the price per pound of the salmon? (20PTS FOR THIS)
    12·2 answers
  • The graph of quadratic functiong is shown on the grid. The coordinates of the x-intercepts, they-intercept, and the vertex are i
    14·1 answer
  • Jordan is saving to buy a computer that costs $425. So far she has saved $125, and she adds $20 to her savings each week. How ma
    9·1 answer
  • Can someone pls give answer to number 4
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!