Answer: -3
Step-by-step explanation:
Answer:
it's a substitution because y was solved
Step-by-step explanation:
2x +2(3x-7)=10
you just replace the "y' by the solved y
then you solve parenthesis and continue the rest.
Cross multiply
(3x - 1)(4x + 5) = (2x + 6)(6x - 4)
12x^2 + 11x - 5 = 12x^2 + 28x -24
Solve for x
-17x = -19
x = 19/17
Answer:
Step-by-step explanation:
The sample space should show all the possible outcomes.
The first option includes all 4 colors and both head and tails.
The second option is missing tails as an outcome.
The third option is missing blue.
The fourth option is missing tails.
So it must be the first one.
