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
Lilit [14]
2 years ago
9

Y= 3x + 1

Mathematics
2 answers:
Nikolay [14]2 years ago
7 0
Answer: B. -4

When 2 equations equal the same thing (in this case y) we can just re-write the equations this way:

3x + 1 = 2x - 3

Now, just start picking off little numbers that we don’t really need to get the x alone. I don’t like working with negative numbers, so i’ll get rid of the -3 by adding 3 to it. Since anything you do on one side of an equal sign you have to do on the other, i’ll add 3 to 1, which looks like this:

3x + 1 = 2x - 3
+3 +3
3x + 4 = 2x

Now I need to get both x’s on the same side, so i’ll subtract 3x from 3x, then subtract 3x from 2x:

3x + 4 = 2x
-3x -3x
4= -x

Variables should never be negative, and they look complicated too, so in order to make x positive again i’ll swap it’s side with 4. While doing this, remember that swapping sides means you swap 4 to a negative too:

4 = -x
x= -4

And there’s the answer, X equals -4. If you wanted to solve for y, just plug in the x value (which is -4 in this case) to any one of the equations:

y= 3x + 1
y= 3(4) + 1
y= 12+ 1
y= 13

Hope this helped!
SSSSS [86.1K]2 years ago
4 0
It might be C or D im also doing substitution so i don’t really know
You might be interested in
GUYS PLEASE HELP ILL GIVE YOU A BRAINLIEST ( the measure of arc XY is:)
Svetlanka [38]

Answer:

what

Step-by-step explanation:

3 0
2 years ago
how many outfits of shoes does a female have for school if she has the choice of 2 pairs of shoes, 4 skirts, and 5 tops in her w
frez [133]

Answer:

if you are asking for a math equation then 2+4+5=11  

Step-by-step explanation:

4 0
3 years ago
One more dilation problem <br> Write the rule to describe each transformation??
Leto [7]

Answer:

It is stretch.

I hope it helps a little bit.

8 0
2 years ago
Read 2 more answers
What property is illustrated by 5*6=6*5
lara [203]
The commutative property 
6 0
3 years ago
Read 2 more answers
(Minimum or maximum), <br> (4, 8, 7, 23.)
lisov135 [29]
8 minimum wage for the year to come round hea again and the
8 0
3 years ago
Read 2 more answers
Other questions:
  • 5. Select the choice with the greatest number of students.
    6·1 answer
  • Plsssssss helppppppppp
    7·1 answer
  • What is the solution to the equation 4x-6=10x-3?<br> x=-2<br> x=-1/2 <br> x=1/2 <br> x=2
    5·2 answers
  • What is the slope of the line passing through the points (-5,9) and (2,-12)​
    5·1 answer
  • Is this correct?????
    10·2 answers
  • If you were to create a histogram from the data shown in this stem-and-leaf plot, with each bar covering six values from 13 to 4
    6·1 answer
  • 2. What is the area of this triangle?
    14·1 answer
  • Please help!!!
    6·2 answers
  • ⚠️PLEASE HURRY⚠️
    7·2 answers
  • Determine if the situation described in each row can be represented by 9x+3=21 or by 3x+9=21. Select the correct answer in each
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!