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
riadik2000 [5.3K]
3 years ago
12

Substitution #1 2-8y+7y=4

Mathematics
1 answer:
hichkok12 [17]3 years ago
7 0
2 - 8y + 7y = 4
-1y = 2
y = -2
y = -2
You might be interested in
Angir buys 1 software package and 2 months of game play. Kenny buys 1 software package and 1 month of gameplay each software pac
podryga [215]

Cost of one month of game play = $14

Step-by-step explanation:

Angir buys = 1 software package and 2 months of game play

Kenny buys = 1 software package and 1 months of game play

Cost of Software Package = $25

Total cost  = $92

Cost of Game play =?

Total Purchase = 2 software packages and 3 months of game play

Writing in equation:

Let software packages = x and months of game play = y

2x+3y=92

If software package cost 25 i.e x=25, then

2(25)+3y = 92

50+3y = 92

3y = 92-50

3y = 42

y = 14

So, Cost of one month of game play = $14

Keywords: Algebraic word problems

Learn more about Algebraic word problems at:

  • brainly.com/question/10710410
  • brainly.com/question/1600376

#learnwithBrainly

4 0
3 years ago
7m plus 8 equals 71 <br> How do u solve
Elden [556K]

Answer: m=9

Step-by-step explanation:

Step 1: Subtract 8 from both sides: 7m+8-8=71-8

7m=63

Step 2: Divide both sides by 7: 7m/7=63/7

Get your answer: m=9

4 0
3 years ago
Draw a number line and show all numbers that …
stira [4]
(x-1)(x+1) = 0
x = 1 or x = -1

Ans : -1 and 1

-5 -4 -3 -2 -1  0 1  2  3 4  5
--|--|--|---|---|--|---|--|--|--|--|--


3 0
4 years ago
Read 2 more answers
I need some help with this question
Hitman42 [59]

Step-by-step explanation:

please mark as brainliest

4 0
2 years ago
Find the perimeter of rectangle ABCD<br> ****BRAINLIEST OUTTA 2<br> ****25PTS
Mandarinka [93]

Answer:

26 units

Step-by-step explanation:

AD is 7 units which means BC will also be 7 units

AB is 6 units which means DC will also be 6 units

So (7+7)+(6+6)= 26

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which type of graph would best show the number of cars in the parking lot each hour today​
    10·2 answers
  • The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the dis
    5·1 answer
  • A halogen-lighting manufacturer packs 64 halogen lamps ink a cube-shaped container. the manufacturer has been asked by his distr
    5·1 answer
  • Please help asap<br><br> i keep failing these quizzes i’m so confused
    14·2 answers
  • How to convert base two to base three​
    9·1 answer
  • Will give Brainlies!!!<br> What is the y=mx+b of the equation 3x−2y=12
    6·2 answers
  • Which expresion does NOT equal the length of one of these pieces in feet. Plz help me i really need it.
    5·1 answer
  • Which of the following expressions is equal to x² + 36? *
    13·1 answer
  • Help me rn or I will fail pleassss
    7·1 answer
  • How many gallons of water could a 5 feet by 2 feet by 2 feet aquarium hold? How much the 150 gallons of water would weigh?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!