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
IgorLugansk [536]
3 years ago
15

How do you solve this using substitution -8x-y=-30 Y=12x-50

Mathematics
1 answer:
never [62]3 years ago
7 0

Step-by-step explanation:

substitude the y value into y in the first equation

-8-(12x-50)=30

-8-12x+50=30

you see it?

then solve

-8+50-30=12x

you got the value = 12x

then you divide with 12

finally you get x

You might be interested in
What is the radius and diameter of the following circle?
postnew [5]

Answer:

diameter= 13cm

radius= 6.5 cm

Step-by-step explanation:

please give brainliest! ty!

6 0
3 years ago
Read 2 more answers
If r(x) = 3x - 1 and s(x) = 2x + 1, which expression is equivalent to
Arlecino [84]

Answer:

1.56

Step-by-step explanation:

lol

6 0
4 years ago
A square picture frame with each side length represented by 3x -
sergey [27]

Answer:

C. X=6

Step-by-step explanation:

Length of one side =52/4= 13

3X-5= 13

3x = 13+5

X= 18/3

X= 6

5 0
3 years ago
The steps below show the incomplete solution to find the value of x for the equation 7x + 8 − 3x = −6 + 10: Step 1: 7x + 8 − 3x
babunello [35]
<span>4x = −4

</span>
Question 2
<span> 2(2x − 5 − 4) = 160 − 17
4x-10-8 = 160-17
4x-18=143
4x = 161
x=40.25

</span>
Question 3
<span>4(2z + 3) = 12
8z +12 = 12
8z = 0
z = 0

</span><span>Question 4
</span>
<span>5(2x − 6) + 20 = 10
10x-30+20=10
10x-10=10
10x =20
x=2

</span>
<span>Question 5
</span>
<span>5x + 10 = 5x − 8
5x+18=5x
18=0
Zero solutions
</span>
4 0
3 years ago
Read 2 more answers
3. A wall is 12 feet high. If its area is 132 sq ft, what is its
dalvyx [7]

B. 46 feet because 132/12=11 and 12+12+11+11=46

5 0
3 years ago
Other questions:
  • I need help with this asap!!
    12·1 answer
  • QUICK!!! I WILL GIVE 50 POINTS!!! Your friend asks you to make picture frames and will give you 5 nickels for the first frame. Y
    9·2 answers
  • 30 POINTS IF ANSWERED IN THE NEXT FIVE MINUTES. Ms. Roth has made 200 headbands and is deciding what price to charge for them. S
    6·1 answer
  • What is the missing term in the factorization? 100 x 2 −36=4(5x+?)(5x−3)
    5·2 answers
  • Translate this expression into a verbal expression: 2(2x-2y)+7<br> PLEASE HELP ASAP
    13·1 answer
  • (Multiple choice/ Brainliest will be rewarded)
    14·1 answer
  • Demarcus' workout playlist consists of classic rock songs and rap songs.
    13·1 answer
  • An advertisement for a circular rug says that the rug has a diameter of 6 feet. Find the relative error of this measurement
    7·1 answer
  • 1 The Walters' backyard pool is rectangular in
    7·1 answer
  • Write down the two distinct properties between parallelogram and trapezium​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!