Examine the system of equations.
2 answers:
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
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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