saintsfan2004
saintsfan2004 saintsfan2004
  • 10-10-2018
  • Mathematics
contestada

Help please please please help have 10 minutes to turn in

Help please please please help have 10 minutes to turn in class=

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datgamer13
datgamer13 datgamer13
  • 10-10-2018

A. (4, -7) Is the correct answer!

2 x 4 = 8    8 - 15 = -7   True!

4 x 4 = 16    3 x -7 = -21     16 + -21 = -5    True!

Since both statements are true, this is the solution to the system.

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Аноним Аноним
  • 10-10-2018

The answer is A) (4, -7).

You wanna substitute the choices in the problem.

y = 2x - 15

4x + 3y = -5

-7 = 2(4) -15

-7 = 8 -15

8 - 15 = -7

-7 = -7

4(4) + 3(-7) = -5

16 + -21 = -5

16 + -21 = -5

-5 = -5

So (4, -7) is a solution to the equations.

Hope this Helps!!

Answer Link

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