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
WITCHER [35]
3 years ago
8

Pls help...solve for x in the following...pls explain a)7x+5=3x-1b)5x+12=3x+14​

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
7 0

Answer:

a) x = -1.5

b) x = 1

Step-by-step explanation:

For problem a, you can start by subtracting 3x from both sides to gather all the like terms together:

7x + 5 = 3x - 1

-3x         -3x

4x + 5 = -1

Next, to get the coefficients on one side, you subtract 5 from both sides:

4x + 5 =  -1

    -5      -5

4x = -6

Now, you divide by 4 on both sides to isolate x:

x = -6/4 = -1.5 --- > x = -1.5

For problem b, you start by subtracting 3x from both sides(kinda like problem a):

5x + 12 = 3x + 14

-3x          -3x

2x + 12 = 14

Next, you can subtract 12 from both sides, isolating the "x term".

2x + 12 = 14

       -12  -12

2x = 2

Lastly, you can divide by 2 to get x:

x = 1

True [87]3 years ago
6 0

1:

7x +5=3x-1\\7x+5-3x=-1\\7x-3x=-1-5\\4x= -1-5\\4x= -6\\x=-\frac{6}{4} (en donde ambos se divide entre 4)\\Respuesta / x=-\frac{3}{2}

2:

5x+12=3x + 14\\5x+12-3x=16\\5x-3x=16-12\\2x= 16-12\\2x= 4\\x=4/2\\( se divide entre 2)x= 2

You might be interested in
Solve the inequality. 1/2y +6<0
Assoli18 [71]
\dfrac{1}{2}y+6 < 0\ \ \ \ |-6\\\\\dfrac{1}{2}y < -6\ \ \ \ |\cdot2\\\\\boxed{y < -12\to y\in(-\infty;-12)}
7 0
3 years ago
SOMEONE PLEASE ANSWER THIS ASAP FOR BRAINLIEST!!!!!!
Gennadij [26K]
The answer would be D. D is the correct answer because the x which is 100 is equal to the amount of U.S dollars and H(x) is equal to the amounts of euros. So H(100)= 75 can signify that she can exchange 100 U.S dollars for 75 euros.

Hope this helps!
8 0
3 years ago
Se compra un auto nuevo por 17900 dólares.El valor del automóvil se deprecia en 12.25% por año.¿cual será el valor del automóvil
jeyben [28]

17,900 x 0.1296 = 2318.05

2318.05 should be subtracted from 17,900 and it should be somewhere around 15,581.95

4 0
3 years ago
Put these in size order 52,25,5,22,2,50
nika2105 [10]
2, 5, 22, 25, 50, 52
3 0
3 years ago
Read 2 more answers
How do I solve -12+1/2x=-6​
dedylja [7]

Answer:

x = 12

Step-by-step explanation:

First, eliminate the fractional coefficient 1/2, by multiplying all three terms by 2:

-24 + x = -12

Adding 24 to both sides isolates x:  x = -12 + 24, or x = 12

6 0
2 years ago
Other questions:
  • two unidentified flying discs are detected by a receiver, the angle of elevation from the receiver to each disc is 38.48 degrees
    13·1 answer
  • Sample of 3 items is selected at random from a box containing 20 items of which 4 aredefective. find the expected number of defe
    12·1 answer
  • What is the y-intercept of <br><br> 10/-5
    6·1 answer
  • WILL GIVE BRAINLIEST-Let ​ f(x)=x2−3x−4​ .
    6·2 answers
  • Please answer as soon as possible.
    13·1 answer
  • 1. Over the next two days, Clinton Employment Agency is interviewing clients who wish to find jobs. On the first day, the agency
    12·1 answer
  • The sum of two consecutive intergers is -49.
    9·1 answer
  • Light travels 1.18 x 10^10in. In 1 second. How far will light travel in 1 nanosecond or 1 x 10^-9s
    10·1 answer
  • What two integers is in between 71
    12·1 answer
  • Mr. Romero buys 3 chairs at a cost of $27.90 for each chait. Estimate the
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!