3x + 1 is greater than or equal to 2x-5 10-3x is greater than or equal to - 5

3x + 1 is greater than or equal to 2x-5 10-3x is greater than or equal to - 5


①3x+1》2x-5
x》-6
②10-3x》-5
-3x》-15
x《5
Combination of two forms - 6 "X" 5
Pure hand look



What is the nonnegative integer solution of 14x-7 (3x + 5) greater than or equal to 2 (10-x) - 14


There is no nonnegative integer solution for 14x-7 (3x + 5) ≥ 2 (10-x) - 14x ≤ - 41 / 5



(2x-x of X-1 + 3x of 1) divided by X of x ^ 2-1


[2x / (x-1) - 3x / (x + 1)] / / X / (x ^ 2-1) = [2x / (x-1) - 3x / (x + 1)] * (x ^ 2-1) / x = [2x / (x-1) - 3x / (x + 1)] * (x + 1) (x-1) / x = [2x / (x-1) * (x + 1) (x-1) / x-3x / (x + 1) * (x + 1) (x-1) / X (application allocation rate) = 2 (x + 1) - 3 (x-1) = 2X + 2-3x + 3 = - x + 5



() divided by 5 = () 3 = 0.6 = 9 divided by () = 35 ()


(3) Divided by 5 = (5) 3 = 0.6 = 9 divided by (15) = 35 (21)