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
Mazyrski [523]
3 years ago
11

X = 16 - 4y 3x + 4y =8 substitution method

Mathematics
1 answer:
8_murik_8 [283]3 years ago
5 0

Answer:

i think x = -4, y = 5

Step-by-step explanation:

x = 16 - 4y

3x + 4y = 8

3(16 - 4y)+4y = 8

48-12y+4y = 8

48-8y = 8

48-8 = 8y

40 = 8y

5 = y

so

x = 16 - 4y

x = 16 - 4(5)

x = 16 - 20

x = -4

You might be interested in
a drink recipe calls for lemon juice and apple juice. the equation below represents the proportional relationship between the cu
GREYUIT [131]

Answer: ima newbie

Step-by-step explanation:

Always include the steps and/or background required to get to the final answer. Let’s help other people understand and solve future problems on their own. Show all the calculation if it is a numerical question.

8 0
3 years ago
16. Write the inequality that is shown on the graph.
TiliK225 [7]

Answer: 5<x<9

Step-by-step explanation:

Graph is from 5 to 9, not including 5 and 9. Let's say x is all the values from 5 to 9, not including 5 and 9.

So, answer is 5<x<9

3 0
1 year ago
Fond the equation of the line shown
zloy xaker [14]

Answer:

y+-1/2x-1

Step-by-step explanation:

The line is negative

It rises one digit and runs 2

and it crosses though -1 on the y axis

4 0
3 years ago
Plz help me with this Plzzzz!!!!
MrRissso [65]
In pretty sure it’s D , making each side equal to 6
4 0
3 years ago
Read 2 more answers
Don is paid $4.75 on each class ring sold. How much will he earn if he sells 90 class rings?
Mice21 [21]
He will earn $427.50  because $4.27 times 90 equals $427.50
8 0
3 years ago
Other questions:
  • Plz Help!
    13·1 answer
  • Expand and Simplify <br> (2x + 1)(x - 2)(x + 3)
    10·1 answer
  • PLEASE HELP ASAP!!!!!
    15·1 answer
  • Pennsylvania has a land area of 44,816 spaure miles
    13·1 answer
  • if a hotdog stand has a fixed expense of $225 a day, and a variable expenses of $0.45per hot dog, what would be the total expens
    8·1 answer
  • -28+4x=4(x-7) how many solutions marking brainlest
    11·2 answers
  • If you shift the absolute value parent function, F(x) = |x|, left 4 units, what is the equation of the new function?
    13·1 answer
  • Work out<br> a the length of arc AB<br> b the area of the shaded sector.
    12·2 answers
  • How many whole numbers "n" satisfy the inequality shown ?<br>1/9&lt;1/sqroot of n&lt;1/7
    6·2 answers
  • What is the equation of the line that passes through the two points (2,3) and (-2,5)
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!