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Makovka662 [10]
3 years ago
12

Examine the system of equations.

Mathematics
2 answers:
Grace [21]3 years ago
6 0

Answer:

(x, y) = (-7, 7)

Step-by-step explanation:

y= 7

-3 - 2x = 7

<em>Substitute the given value of y into the equation</em>

- 3x - 2 x 7 = 7

<em>Solve for the equation for x </em>

x = -7

<em>The possible solution of the system is the ordered pair (x, y)</em>

(x, y) = ( -7, 7)

<em>Check if the given ordered pair is the solution of the system of equations</em>

7= -3x (-7) - 2 x 7 = 7

= 7 = 7 = 7

andre [41]3 years ago
3 0

Answer:

x = -3

(-3,7)

Step-by-step explanation:

y = –3x – 2,

y = 7

We know the value of y, y=7

Substitute into the first equation

7 = –3x – 2

Add 2 to each side

7+2 =  –3x – 2+2

9 = -3x

Divide each side by -3

9/-3 = -3x/-3

-3 = x

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