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Soloha48 [4]
3 years ago
8

Someone please answer this, I’ll give you brainliest and 50 points!

Mathematics
2 answers:
8090 [49]3 years ago
7 0

Answer:

3

Step-by-step explanation:

pickupchik [31]3 years ago
4 0

Answer:

Answer 2

Step-by-step explanation:

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Solve the system using elimination. Write the solution as an ordered pair. (1 point) SHOW YOUR WORK FOR FULL CREDIT! (2 points)
Gre4nikov [31]

Answer: (1,-1)

Step-by-step explanation:

- You can multiply the first equation by -1

- Add the equations.

- Solve for x, as following:

\left \{ {{-5x - 4y = -1} \atop {-3x + 4y = -7}} \right.\\------\\-8x=-8\\x=1

- Substitute the value of x into any of the original equations and then you must solve for y:

5(1)+4(y)=1\\4y=-4\\y=-1

Therefore, the solution is: (1,-1)

5 0
3 years ago
Read 2 more answers
Simplify the expression x^2 + 3x + 4
Leni [432]

Answer:

( x + 4 ) × ( x − 1 )

Step-by-step explanation:

The equation in the  A x ² + B x + C

The C is negative which indicates that one binomial will be negative and one binomial will be positive.  The B is positive which indicates that the positive binomial will be larger than the negative binomial . The B is +3 which tells that the difference in the two factors is 3

3 0
3 years ago
Read 2 more answers
9. If LK = MK, LK = 7x - 10. KN = x + 3, MN = 9x - 11, and KJ = 28, find LJ.<br> M<br> K<br> L<br> N
ki77a [65]
THE ANSWER IS M LIKE THE SECOND ONE like the letter M
7 0
3 years ago
you have solved a system of equations by substitution and got one solution. how were you able to determine it was one solution?
GenaCL600 [577]

Answer:

Step-by-step explanation:

brainly.com/question/22157981

5 0
3 years ago
Elaine found the following in her pocket. How much money was in her pocket
jenyasd209 [6]

Answer:

we need the numbers... or like the coins, or something to solve it with. you need to include what was actually in here pocket lol

3 0
2 years ago
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