8(1-X)-4(2X+3)=5(x-2)
8(1-X)-4(2X+3)=5(x-2)
8-8X-8X-12=5X-10
-16X-4=5X-10
-16X-5X=-10+4
-21X=-6
21X=6
X=2/7
RELATED INFORMATIONS
- 1. (x ^ 2 + 2x-8) / (x ^ 3 + 2x ^ 2 + x) / {(X-2) / X. (x + 4) / (x + 1) where x = 4 / 5
- 2. (1):(2X-Y-3)^2 (2):59.8*60.2 (3)198^2 (4):4(X+1)^2-(2x+5)(2X-5) Questions 1, 2, 3 and 4 need integral calculation
- 3. When x = 3, find the value of 3 / 4 [4 / 3 (x-1) - 8] - (- 2x-5 / 3)
- 4. 3 / 1-x + 2 / 2 = 1,3 / 2x-6 = 2 / x + 2 + 1,3 / x + 8 = - x, 3-1.2x = 5 / 4-12
- 5. General solutions of the system of equations x (1) + X (2) + X (3) + 2x (4) = 3 2x (1) - x (2) + 3x (3) + 8x (4) = 8 - 3x (1) + 2x (2) - 2x (3) - 9x (4) = - 5x (1) - 2x (2) - 3x (3) = - 4
- 6. When k is equal to what value, the solution of the equation about X is x = 1
- 7. If the solution of the equation 2x + 1 = 3 about X is the same as that of the equation 2-third K-X = 0, find the value of K. why do I calculate that all are equal to 4?
- 8. Given the quadratic function y = − 12x2 + X + 32, we can solve the following problems: (1) change the quadratic function into the form of y = a (X-H) 2 + K; (2) write the vertex coordinates and symmetry axis of the quadratic function
- 9. How to convert the quadratic function y = x ^ 2-2x + 3 to y = (X-H) ^ 2 + k
- 10. In the (1-2x) ∧ n expansion, the binomial coefficients of the fifth, sixth and seventh terms form an arithmetic sequence, and the constant term in the expansion is obtained
- 11. X + 5 / 1 = 3 = 2 / 2 x
- 12. 3-x = 1 and 2 / 5, X=
- 13. Billy 0.3 1.5 = 4.2 x 2 1:4 = 10 1:x
- 14. (- 10) x [(- 1 / 5) + 1 / 2] = (- 10) x how much + how much x 2 / 1
- 15. 2 / 5 * x = 1 / 4 * (300-x) + 55. Write every step to solve the equation
- 16. X + 1.5 * 2 / 3 = 2
- 17. 1.2 of x = 4 of 5 (how to do it?) Please help me~
- 18. 1 / 2 [X-1 / 2 (x + 1)] ≤ 2 / 5 (x-1)
- 19. X to 5 = 2 to 1 is 1 / 2
- 20. Real numbers x, y and Z satisfy x + y + Z + 8 = 2 √ (x-1) + 4 √ (Y-2) + 6 √ (Z-3). What is the value of X + y + Z?