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ehidna [41]
4 years ago
13

What is the solution to the system of equations? Use the substitution method.

Mathematics
1 answer:
aleksandrvk [35]4 years ago
3 0
{ y = 3 x - 4
  9x -3y = 14

Subsititute y = 3x-4 :

[ 9 x - 3 ( 3 x-14 )=14]

Refine:

9 x  - 3 ( 3 x - 4 ) = 14

- 2 = 0

is false , therefore the system of equations has no solution

Answer A

hope this helps! 
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Which is equivalent to the following expression? (2x^2+4xy-y^2)+(x^2+3xy-y^2)
masya89 [10]

annswer:

−

80


Explanation:

2

(

2

)

2

+

[

3

(

2

)

(

−

4

)

]

−

4

(

−

4

)

2


2

(

4

)

+

[

−

24

]

−

4

(

16

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−

80


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