Solve the following system of equations -5x=2y=-14 and -7x=3y=21
1 answer:
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[ Answer ]
[ Explanation ]
Parenthesis
Exponents
Multiply
Divide
Add
Subtract
Parenthesis:
3 * 2 = 12
12 - 12 = 0
12 - 0 = 12
10^2 * 12
10 ^ 2 = 144
144 * 12 = 1728
1728 + 15 = 1743
1743 + 6 = 10458
B is false, since by the inclusion/exclusion principle,
By independence, we have , which is zero if either of
or
is 0, which isn't guaranteed.