Answer:
-12
Step-by-step explanation:
if you use substitution
2*-5+2-4
-10+2-4
-8-4
-12
Answer:
3/5
Step-by-step explanation:
3/5
Y = (x +7)^2. The parabola is going into the negative region. The x value must be positive.
$44.52 is the final cost of a flower bouquet.
Answer:
x = 3
Step-by-step explanation:
Multiply the first equation by -1, then add it to second equation.
2x+9y = -12
-2x-7y = 8
-------------------
2y = -4
Solve for y
2y = -4
y = -2
Plug value of y into one of the equations and solve for x
2x + 9(-2) = -12
2x = 6
x = 3