0. Solve the following systems by using the substitution method. 16x
6x + 3y - 0
b)
13x-y-3
(x + 3y = 5
(5x + 7y=13
(3x + 914
12x + 3y -
fx - 4y = 11
15x + 7yol
Sol.: a) (1/2, 3/2); b) (3/5, -6/5); c)(-1/3,5/9), d), 2)
Solve the following systems by using the substitution method.
3x+2y=23
3x+2y-14 x+3y = 4
3x-y-171
2x - 5y = -16 2x-yol
2x + y = 8
b)
C) 2x - y = 1)
x+y=8
Sol.: a) (7.1); b) (4.2); c) (1.1); d) (5,-2).​

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How do i put 3(x+7) in distributive property

Afriend of mine is giving a dinner party. his current wine supply includes 10 bottles of zinfandel, 8 of merlot, and 11 of cabernet (he only drinks red wine), all from different wineries. (a) if he wants to serve 3 bottles of zinfandel and serving order is important, how many ways are there to do this? ways (b) if 6 bottles of wine are to be randomly selected from the 29 for serving, how many ways are there to do this? ways (c) if 6 bottles are randomly selected, how many ways are there to obtain two bottles of each variety? ways (d) if 6 bottles are randomly selected, what is the probability that this results in two bottles of each variety being chosen? (round your answer to three decimal places.) (e) if 6 bottles are randomly selected, what is the probability that all of them are the same variety? (round your answer to three decimal places.)