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poizon [28]
3 years ago
11

Explain how to form a linear combination to eliminate the variable y for this system 2x-3y=3 5x+2y=17

Mathematics
2 answers:
igomit [66]3 years ago
8 0

Answer: That answer wasnt given in mine tjo

Step-by-step explanation:

Nadusha1986 [10]3 years ago
3 0
 Well to be exact the answer is x=3 y=1
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Solve the system 2x+4y=16 5x +3y=19 then find the value of y/x
AURORKA [14]

Answer:

I would change 2x+4y=24 into x=12–2y

To do that, divide both sides by 2 and then subtract 2y on each side.

After that, substitute for x. 3x+2y=19 would become 3(12–2y)+2y=19.

Then solve.

3(12–2y)+2y=19

36–6y+2y=19

-4y+36=19

-4y=-17

y=4.25

Then, substitute y in either equation.

Either this:

3x+2y=19

3x+2(4.25)=19

3x+8.5=19

3x=10.5

x=3.5

Or:

2x+4y=24

2x+4(4.25)=24

2x+17=24

2x=7

x=3.5

Or you could solve it in the equation you created in the beginning:

x=12–2y

x=12–2(4.25)

x=12–8.5

x=3.5

The coordinates where the lines intercept are (3.5, 4.25).

Sorry for the long answer!

4 0
3 years ago
What is the first step in solving the following system of equations?
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Answer:

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hope this helps

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