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natka813 [3]
3 years ago
10

Please HELP!!!!!!!!!

Mathematics
1 answer:
DaniilM [7]3 years ago
8 0

1.

Calculate the sum

5x - 10 + 7 = 65 - 20x + 32

Move terms

5x - 3 = 97 - 20x

Collect the like terms and calculate

5x + 20x = 97 +3

Divide both sides by 25

25x = 100

X= 4 ANSWER

I skipped some steps because it would be too long :/

2.

Multiply parenthesis by 8

20x>8(4x - 5) -20

Calculate

20x>32x - 40 - 20

Move variable to the left

20x>32x-60

Collect like terms

20x - 32x > -60

Divide both sides by -12

-12x>-60

X<5 ANSWER

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Please Answer Quick 65 Points ! !
NeTakaya

The correct answers are:

  • The ordered pair (7, 19) is a solution to the first equation because it makes the first equation true.
  • The ordered pair (7, 19) is not a solution to the system because it makes at least one of the equations false.

Further explanation:

Given equations are:

2x-y = -5

x+3y = 22

We have to check whether the given statements are true or not. In order to find that we have to put the points in the equations

Putting the point in 2x-y = -5

2x - y = -5\\2(7) -19 = -5\\14-19 = -5\\-5 = -5

Putting the point in x+3y=22

7 + 3 (19) = 22\\7 + 57 = 22\\64 \neq 22

The point satisfies the first equation but doesn't satisfy the second. So,

1. The ordered pair (7, 19) is a solution to the first equation because it makes the first equation true.

This statement is true as the point satisfies the first equation

2. The ordered pair (7, 19) is a solution to the second equation because it makes the second equation true.

This Statement is false.

3. The ordered pair (7, 19) is not a solution to the system because it makes at least one of the equations false.

This statement is true.

4. The ordered pair (7, 19) is a solution to the system because it makes both equations true.

This statement is false as the ordered pair doesn't satisfy both equations.

Keywords: Solution of system of equations, linear equations

Learn more about solution of linear equations at:

  • brainly.com/question/13168205
  • brainly.com/question/1465430

#LearnwithBrainly

5 0
3 years ago
a club put its members into 5 groups for an activity. After 7 student have to leave early, there are only 3 students left to fin
Zanzabum

Answer:

2 students in each group

Step-by-step explanation:

If there were 5 groups and after a while 7 students leave early and 3 students remain to do the activity, if you add 7 + 3 = 10 divide it by 5, the number of groups in the activity, you would get 2 students in each group.

6 0
3 years ago
Read 2 more answers
Write two numbers that multiply to the value on top and add to the<br> value on bottom.
Airida [17]
I think the answer is 2 and -15. Because 2 times - 15 is -30 and 2 and -15 can be added to -1.
4 0
3 years ago
The graph of g(x) is the graph of f(x)=x+6 reflected across the x-axis.Which equation describes g?
Mandarinka [93]
Reflected across x axis means y turns to -y, meaning, multiply the whole function by -1

f(x) times -1=-1 times (x+6)=-x-6

A is answer
3 0
3 years ago
What is the answer to 2m-6=48
Marrrta [24]
2m-6=48
      +6  +6
__________
2m= 42
÷2      ÷2
_________
m=21

m=21 is the answer 
5 0
3 years ago
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