It's 4. Y=in(x)-5
Formula: Y= +/- a( x - h) + k
K= up/down
h= Right/left
Answer:
x = -1
Step-by-step explanation:
subtract 36 from both sides
36 - 5x - 36 = 7x + 48 - 36
simplify
-5x = 7x + 12
subtract 7x from both sides
-5x - 7x = 7x + 12 - 7x
simplify
-12x = 12
divide both sides by -12
-12x/-12 = 12/-12
simplify
x = -1
The system:
3 x + 4 y = 40
x + 6 y = 18,
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x = 18 - 6 y
3 ( 18 - 6 y ) + 4 y = 40
54 - 18 y + 4 y = 40
54 - 40 = 18 y - 4 y
14 = 14 y
y = $1
x = 18 - 6
x = $12
Answer: Each DVD costs: $12.
Answer: x= 9,-8
Step-by-step explanation:
