If n(A) =15 n (B) = 9 n(A∩B) =4 find n(A U B)
1 answer:
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2. Distributive Property
4 is distributed and multiplied inside the parenthesis to x and -5.
4. Subtraction Property of Equality
x is subtracted from both sides of the equation.
4x - x - 22 = x - x + 3
3x - 22 = 3
5. Subtraction Property of Equality
22 is added to both sides of the equation.
3x - 22 + 22 = 3 + 22
3x = 25
6. Division Property of Equality
3 is divided from both sides of the equation.
=
x =
Step-by-step explanation:
1) c
2) c
use the value of slope and the coordinates and substitute in the equation of line.
