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Blababa [14]
3 years ago
13

Use the elimination method to solve the system of linear equations. 3x - 2y = -2 4x - 3y = -4

Mathematics
1 answer:
Oksana_A [137]3 years ago
8 0

Answer:

(3x-2y=-2)×3

(4x-3y=-4)×2

then minus

x=2

then for y take one equation

3x-2y=-2

6-2y=-2

y=4

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The square of a number exceeds that number by 12. What are the two possible solutions?
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Answer:

The correct answer is option C.

Step-by-step explanation:

Let the number be x.

The square of a number exceeds that number by 12 .Mathematically can be written as:

x^2-x=12

x^2-x-12=0

Using middle term splitting to factorize the expression:

x^2-4x+3x-12=0

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The two possible solutions are :

1) (x+3)=0

x = -3

2) (x-4)=0

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