" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2 + x/4 = 5
x/4 = 5 - 2
x = 3 x 4
x = 12
2.
3b - x/2 = -1 + 1/4
3b - x/2 = -3/4
12b - 2x = -3
3.
1/2c + 5 > 15
1/2 c > 15 - 5
c > 10 x 2
c > 20
4.
2y - 7/2 < 3
2y < 3 + 7/2
y < (6/2 + 7/2)/2
y < 13/4
5.
(5p + 3/2)² > (2p-2)²
(5p + 3/2)² - (2p-2)² > 0
{(5p + 3/2 + 2p - 2) (5p+3/2-2p+2) > 0
(7p - 1/2) (3p + 7/2) > 0
21p² + 49p/2 - 3/2p - 7/4 > 0
21p² + 46p/2 - 7/4 > 0
21p² + 23p - 7/4 > 0