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Ne4ueva [31]
3 years ago
5

Need help!! algebra!!!

Mathematics
1 answer:
vampirchik [111]3 years ago
7 0

Answer:

Step-by-step explanation:

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I also need help with this problem.
nadezda [96]

We will use substitution to solve this system of linear equations, as the first equation has x and y with no coefficients, which makes it easier to find one in terms of the other. We can then substitute that value in the other equation and find the values of x and y.

x = y + 5 ---> equation 1

3x + 2y = 5 ---> equation 2

From equation 1, we get the value of x as y + 5. Using the substitution method, we can find the value of y by substituting (y+5) for x in the 2nd equation.

3(y+5) + 2y = 5

3y + 15 + 2y = 5

5y = 5 - 15

5y = -10

y = -2

Subsituting this value of y in (y+5), we can find x.

x = y + 5

x = -2 + 5

x = 3

Therefore, x = 3 and y = -2.

I will also solve this using elimination method.

Let us multiply equation 1 by 2, so that we get 2y in both equations.

2x = 2y + 10

3x + 2y = 5

Let us add both the equations.

2x + 3x + 2y = 5 + 2y + 10

5x = 15 + 2y - 2y

5x = 15

x = 3

Substituting this value of x in equation 1, we get

x = y + 5

3 = y + 5

y = 3 - 5

y = -2

Therefore, x = 3 and y = -2.

7 0
3 years ago
Simplify the expression 2x - 4 + 3
Viktor [21]
Combine like terms:
2x-4+3 --> 2x-1
answer:2x-1
6 0
3 years ago
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If the price of gas is $9.475, what will the price be when we round it to the hundredths place?
nikklg [1K]

Answer:

$9.45

Step-by-step explanation:

if you round you get that

7 0
3 years ago
Read 2 more answers
Help what is greater?45.10 or 45.01???
Anika [276]
45.10 is greater than 45.01
4 0
3 years ago
Read 2 more answers
(01.07)
AURORKA [14]
*The answer is A. 24.*

All you have to do is back solve. In other words, just plug your answer choices into the equation.
3 0
3 years ago
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