sanchealejandra56 sanchealejandra56

10-12-2020
Mathematics

contestada

which is the best first step when solving the following system of equations?
y= 7x + 3
y= 9x
1. Multiply the first equation by 7
2. Substitute 9x for y in the first equation
3. Multiply the second equation by -3
4. Substitute 7x for y in the second equation

Respuesta :

lynchtyon lynchtyon

14-12-2020

Answer:

B

Step-by-step explanation:

I took the quiz

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kashaj2187 kashaj2187

16-12-2020

Answer:

i believe its 2.

Step-by-step explanation:

i am taking the test now so ill telll if its wrong or not.

Answer Link

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