If x times of 3 = 4 and Y times of 3 = 6, find the value of 2x-y times of 9 + X-Y times of 27

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• 1. If 2x + y-4 = 0, find the value of 9 ^ x * 27 ^ y Thank you
• 2. The solution of the equation 3x + m-2 (M + 2) = 3M + X of X is less than 5, and the value of the largest integer m that meets the requirements is obtained
• 3. Let {X / 4 = Y / 5,3x-2y = 10} solve the system of equations (let K be an unknown number)
• 4. 6X ^ 2 + 3x-10 = 0, how to solve this equation? I know how to use cross multiplication. Please explain clearly how to use cross multiplication?
• 5. An equation with unknowns is called an equation______ &Nbsp; (& nbsp; judge right or wrong & nbsp;)
• 6. The equation with unknowns in question 1 is called equation ()
• 7. It is known that one root of the equation 3x ^ 3 + kx-6 = 0 of X is 2. Let the other root of the equation be x1, then there is: A.x1=3/5,k=-7 B.x1=-3/5,k=-7 C.x1=-3/5,k=7 D.x1=3/5,k=7 It is known that one root of the equation 3x ^ 2 + kx-6 = 0 of X is 2. Let the other root of the equation be x1, then there is: It's Square. Wrong number
• 8. When a is a number, the solution of the equation 3x + a = 0 is 2 times larger than that of the equation - 2 / 3x-4 = a
• 9. The sum of two times and eight times of a number is 96. Find the number
• 10. Find a number minus 9 and multiply it by 4. The product is 64
• 11. After factoring (2x) n-81, we get (4x2 + 9) (2x + 3) (2x-3), then n equals () A. 2B. 6C. 4D. 8
• 12. 64 △ 2x = 20 to solve the equation
• 13. 4X * 2x * x = 64 to solve the equation
• 14. Solving equation -- 32: (x-32) = (2x-64): (x + 64)
• 15. 7 (X-2) = 2x + 4 to solve the equation Urgent need! Come on, very urgent
• 16. Solution equation: (2x + 1) ^ 2 + 2 = 18
• 17. 2X + 7 = 332 (X-7) = 12, solve the equation and test it
• 18. Solution equation: 4 (2x-1) - 10 = 66
• 19. 1.2x = x + 10 to solve the equation To solve this equation 1.2x = x + 10, we must have a complete solution
• 20. Solution equation: 2 √ 2x = - √ 72 ＋ 8?