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
Aneli [31]
3 years ago
6

21y+7x=56? what is the value of X

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
4 0

Answer:

x = 8 - 3y

Step-by-step explanation:

21y+7x=56\\\\21y-21y+7x=56-21y\\\\7x=56-21y\\\\\frac{7x=56-21y}{7}\\\\\boxed{x=8-3y}

Hope this helps.

You might be interested in
HELP ASAP I’ll reward most brainlyestttttt
PolarNik [594]

Answer:

y = 2/3 x + 2

Slope intercept form is the form of y=mx + b.

The slope is 2/3, so that is m, and from looking at the graph, we know that the y intercept is (0,2), so b has the value of 2.

I hope this helps! Please let me know if you have any more questions!

4 0
3 years ago
2) Use the rules for order of operations to simplify the numerical expression.
schepotkina [342]
The answer to 82+7(-2 - 5) + 3 is 36
5 0
3 years ago
Find the sum of difference
murzikaleks [220]
Evaluate question answers
1. 6x7 -3
V
42 - 3
V
39
Answer
39

2. 2x6+3x7 - (-3)
V
12 + 21 - (-3)
V
12 + 21 + 3
V
36
Answer
36

3. 5 x (-3) +7 - 6
V
-5 x3+7 - 6
V
-15 + 7- 6
V
-14

Find the sum or difference answers

1. Simplify or expand
(16m 4 - 8m + 3) + (-7m4 - m2 - 8)

16m4 - 8m + 3 - 7m4 - m2 - 8
V
9m4 - 8m - 5 - m2
V
9m 4 - m2 - 8m - 5
Answer
9m 4 - m2 - 8m - 5

2. Simplify or expand
(3x2 - 5x + 9) + (2x2 + 9x -4)+ (7x- 11)
v
3x2 - 5x + 9+ 2x2+9x - 4+7x-11
V
5x2 + 11x - 6
Answer
5x2 + 11x - 6

3. Simplify or expand
(3y2 - y - 6) - (42 + 5y+ 3)
V
3y2 - y - 6 - 4y2 - 5y - 3
V
-y2 - 6y - 9
Answer
-y2 - 6y - 9

4. -7 -2+2x2+ 9x
2 Simplify or expand
-7 - 2+2x2+9x
V
-9 + 2x2 + 9x
V
2x2 + 9x - 9
Answer
2x2 + 9x - 9
8 0
2 years ago
Can anyone help me please
galben [10]
The answer is 6 units and 3 fourths
5 0
3 years ago
Read 2 more answers
Guys i’m begging someone help me please!!!!
IRISSAK [1]

Answer:

x= 35

Step-by-step explanation:

supposing we are finding x, we know that the line in the middle is the dimeter. so we know its a semicircle with an arc of 180 degrees. 180-110=70 divide that by two to get x which is 35.

4 0
3 years ago
Read 2 more answers
Other questions:
  • The area of a city is commonly measured in
    9·2 answers
  • On the shelves of Maria's bookcase,1/2 of the books are mysteries,1/10 are science fiction, 1/5 are biographies,and the remainin
    13·1 answer
  • A quadrilateral has three angles that measure 80°, 110°, and 75°. Which is the measure of the fourth angle
    6·1 answer
  • What would be the total cost of Annabel renting the surfboard for 6 hours
    15·2 answers
  • I need help showing the work. please help
    11·1 answer
  • Jocelyn sells necklaces for $8 each. It costs her $20 for
    7·1 answer
  • Find the greatest common factor of 270 and 360. (Give the answer in the numerical form in the top box and in
    7·1 answer
  • If m = 2 2/5, what is the value of 5(m + 2)? 20 2/5, 3/5 ,9 2/5 ,22
    11·1 answer
  • 2. Mang Danny bought a cellphone worth Php 7500 and he's selling it for Php 9000. How much is the markup?
    10·1 answer
  • Last week, Jason ran 26. 1 miles. He wants to run further this week. He plans to run 2. 4 miles to the park, four times around t
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!