To find the value of p, simply use addition, subtraction and division to isolate p:
5p -1 = 2p + 20
5p - 2p - 1 = 2p - 2p + 20
3p - 1 + 1 = 20 + 1
3p/3 = 21/3
p = 7
The value of p is 7.
the empty set.
No.
(0, -14)
6x = 1 x = 1/6
x2 + 49 = 0 ∴ x2 = -49 ∴ x = 7i
the empty set.
No.
(0, -14)
The solution: x = 6/7 and x = -1
Solution: x = 1/4 and x = -3.
{-1,7}
6x = 1 x = 1/6
It is: x = 5/3 and x = -3
They are: x = 5/3 and x = -3
-5x + x + 9 = -4x + 12 -4x + 9 = -4x + 12 9 = 12 This equation has no solution.
x2 + 49 = 0 ∴ x2 = -49 ∴ x = 7i
-4