Given that a = 2x & # 178; + 3ax-2x-1, B = - X & # 178; + AX-1, and the value of 3A + 6B has nothing to do with X, find the value of A

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• 11. It is known that a = 2x & # 178; + 3ax-2x-1, B = - X & # 178; + AX-1, and the value of 3A + 6B has nothing to do with X
• 12. A = 2x & # 178; + 3ax-2x-1, B = - X & # 178; + AX-1, and the value of 3A + 6b is independent of X, the value of a can be obtained I also want you to explain why it is calculated like this=
• 13. Given that a = 2x & # 178; + 3ax-2x-1, B = - X & # 178; - ax + 1, and the value of 3A + 6B has nothing to do with X, find the value of a?
• 14. If the solution of the system ax + by = C, a # x + B # y = C # is X3, y = 4, find the solution of the system 3ax + 2by = 5C, 3a # x + 2B # y = 5C #
• 15. Given the same solution of the system of equations x + y = 3, ax + by = 4 and ax-2by = 22, X-Y = 7, find the value of 3a-16 Quadratic equation of two variables, done tonight
• 16. We know the binary linear equations ax + by = - 16 CX + 20Y = - 224 about X and Y. the solution of the binary linear equations is x = 8, y = - 10. A student copied C wrong in his solution, and all other solutions are correct. He solved x = 12, y = - 13, and solved a + B + C
• 17. Students a and B solved the system of equations ax + by = 3 cx-2y = 5 A with respect to XY, and the correct solution is Students a and B solve the system of equations about XY AX+BY=3 Cx-2y = 5 a gets the correct solution as x = - 1, y = - 3, B copies the wrong value of C, x = 5, y = 6 finds the value of a / C + ab
• 18. To solve the equations: ①: ax + by = 1; ②: CX + dy = - 1 Because a misread C, we get x = - 19 / 6, y = - 3 / 2; because B misread D, we get x = - 6, y = - 19 / 7, we find the value of a and B
• 19. Given that the solution of the system of equations ax + by = C, ex + dy = f for XY is x = 3, y = 2, what is the solution of the system of equations a (X-Y) + B (x + y) = C, e (X-Y) + D (x + y) = f for X and y?
• 20. If the solutions of the binary linear equations {ax + 2by = 4, x + y = 1} and {X-Y = 3, BX + (A-1) y = 3 are the same, the values of a and B are obtained