Solving inequality system (solving method, process, format) 5x+6>4x 15-9x5x+1 11-2x
5x+6>4x
x>6
15-9x9
x>1
The solution of inequality system is x > 6
2x-8>5x+1
3x
RELATED INFORMATIONS
- 1. The selling price of a commodity is 150 yuan, and the profit of a commodity sold by the merchant is 10% ~ 20% of the purchase price. What is the range of the purchase price (accurate to 1 yuan) The inequality I listed is that x + x times 10% is less than or equal to 150 I write the second inequality separately. X + x times 20% is greater than or equal to 150 They form a system of inequalities
- 2. Solution set of inequality 2x-x with square = 0
- 3. The solution set of inequality (xsquare-2x-3) (x + 1) 0 is
- 4. |X ^ 2-2x | < 3 this is a problem of inequality in senior high school You can see it
- 5. Two simple high school inequality questions ~ speed 1. Proof: the square of a + the square of B ≥ AB + A + B-1 2. Verification: 2 (radical (n + 1) - 1) < 1 + 1 / (radical 2) + 1 / (radical 3) + +1 / (radical n) < 2 (radical n)
- 6. If a > B > C, n ∈ n *, and 1a − B + 1b − C ≥ Na − C holds, then the maximum value of n is______ .
- 7. What are the methods of solving various inequalities in high school concrete
- 8. How to solve an inequality problem A. B is known to be a real number A & # 178; + B & # 178; + 5 ≥ 2 (2a-b) is an inequality, right
- 9. Simple mathematical problems (Solving inequalities) Half x is greater than one third X
- 10. Elementary two simple mathematical problems -- solving inequality system Please help me. Thank you~ Find the solution set of the following inequality ① -1≤x≤1 ② (x-2)²>(x+3)(x-3) Need process thank you need process thank you need process thank you need process thank you need process thank you~
- 11. The maximum value of basic inequality a,b>0.ab≥1+a+b Find the minimum of a + B?
- 12. The maximum value problem of basic inequality Let x > 0, Y > 0, and XY (x + y + 1) = 1, then the minimum value of (x + y) (y + 1) is
- 13. How to use the basic absolute value inequality to get the maximum value? Using the basic absolute value inequality to find the maximum value of y = | x-3 | + | x + 2 |? y=|x-3|-|x+2| What about a minus sign?
- 14. 10> The minimum value of 0,3x + 12 / x square, where x is taken as? be careful! Square on denominator!
- 15. Finding the best value of basic inequality It is known that 4A ^ 2 + B ^ 2 = 6 Finding the minimum of a + B The known condition is changed to a ^ 2 + 2 (b ^ 2) = 6 The minimum value of a + B is - 3, which should be solved by basic inequality.
- 16. Ratio (related to inequality) Given that X and y are real numbers, M = x ^ 2 + y ^ 2 + 1, n = x + y + XY, then the relation between M and N is
- 17. Solving inequality ratio -2
- 18. Inequality of ratio size Let a, B, C satisfy B + C = b-4a + 3 (A2), C-B = 4-4a + (A2), then the size relation of a, B, C? A2 is the square of A
- 19. Inequality ratio size X ^ 2 + y ^ 2 = 1 and 2 (x + Y-1) X ^ 2 + 5x + 6 and 2x ^ 2 + 5x + 9 When x > 1, x ^ 3 and x ^ 2-x + 1 Given a > b > 0, C > d > 0, verify the radical a / d > radical B / C x^2+y^2=1 change x^2+y^2+1
- 20. The size of comparative inequality Compare the size of (AAAA + BBBB) * (AA + BB) and (AAA + BBB) (AAA + BBB)