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

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• 1. The sum of two times and eight times of a number is 96. Find the number
• 2. Find a number minus 9 and multiply it by 4. The product is 64
• 3. 25% x = 5 / 16x8,
• 4. The solution of equation x divided by 4.2 = 0.6 is
• 5. Equation 0.5 (6 + x) = 9
• 6. 42 = 0.5 * 6 * (6 * x) how to solve this equation
• 7. The equation of 5 / 8 x + 1 = X-1 thank
• 8. Four and three fifths multiplied by eleven eighths plus eight point four divided by eight eleventh minus eleven eighths divided by one fifth Simple calculation
• 9. Solving equation 9 (x-1) ^ 3 + 72 = 0
• 10. The solution of equation 3.8x = 9.5 is X=______ ．
• 11. 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
• 12. The equation with unknowns in question 1 is called equation ()
• 13. An equation with unknowns is called an equation______ &Nbsp; (& nbsp; judge right or wrong & nbsp;)
• 14. 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?
• 15. Let {X / 4 = Y / 5,3x-2y = 10} solve the system of equations (let K be an unknown number)
• 16. 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
• 17. If 2x + y-4 = 0, find the value of 9 ^ x * 27 ^ y Thank you
• 18. 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
• 19. After factoring (2x) n-81, we get (4x2 + 9) (2x + 3) (2x-3), then n equals () A. 2B. 6C. 4D. 8
• 20. 64 △ 2x = 20 to solve the equation