If the values of solutions X and y of the system of quadratic equations {5x + 3Y = 1, KX - (k-1) y = 7 are opposite to each other, then k =? X =? Y =? This is a calculation problem of elimination method for binary linear equations. Please help me to do it,

RELATED INFORMATIONS

• 1. The solution of the quadratic equation 3x + y = 10 is
• 2. 6X x x y = 7 3x = y x 2 quadratic equation
• 3. The positive integer solution of bivariate linear equation 3x + y = 9 is______ ．
• 4. There are solutions to the quadratic equation 3x + y = 10. Write out a positive integer solution
• 5. Xiao Ming's father is 27 years older than Xiao Ming. Four years later, his father's age is four times that of Xiao Ming. What's his father's age now?
• 6. Point P is the point on the ellipse x square / 25 + y square / 9 = 1, F 1 and F 2 are the focal points, and ∠ f 1pf 2 = 60 degrees. (1) find the area of triangle f 1pf 2. (2) find the coordinates of point P
• 7. She has a math test paper and a calculation problem. There are addition, subtraction, multiplication, division and parentheses in it. I asked her what is disjunctive calculation. She said that the above-mentioned thing is disjunctive calculation, but I don't think it's appropriate. I can't give any reason. I can't find it in her math textbook. Excuse me, what is disjunctive calculation in primary school math?
• 8. A circle passes through the center of a (- 2,1) B (5,0) on the straight line x-3y-10 = 0. The equation for finding a circle is expressed by the slope A circle passes through the center of a (- 2,1) B (5,0) and is on the straight line x-3y-10 = 0. The equation of circle is solved by the method of slope
• 9. How to add and subtract fractions
• 10. The radius of a sector is twice that of a circle, and the sector area is equal to the circle area
• 11. If KX + (k-1) y + 2 = 0 is a bivariate linear equation about x.y, then K satisfies?
• 12. If x = 2, y = - 1 is a solution of binary linear equation AX-2 = - by, then the value of 4a-2b-60 is equal to?
• 13. X = 2, y = 1 is a solution of binary linear equation AX-2 = - by, then the value of 4a-2b-6 is equal to how many processes~
• 14. If the binary linear equation AX + by + 2 = 0 has two solutions, x = 2, y = 2, and x = 1, y = - 1, how much more can X and y equal
• 15. If x = 2, y = - 1 is a solution of binary linear equation AX-2 = - by, then the value of 2a-b-6 is?
• 16. If x = 2, y = -- 1 is a solution of binary linear equation AX by = -- 2, find 2A + B-6
• 17. It is known that x = 3Y = - 2 and x = 2Y = 1 are two solutions of the quadratic equation AX + by + 3 = 0, then the analytic expression of the linear function y = ax + B is It is known that x = 3, y = - 2 and x = 2, y = 1 are two solutions of binary linear equation AX + by + 3 = 0, then the analytic expression of primary function y = ax + B is
• 18. It is known that the two solutions of binary linear equation AX + by + 2 = 0 are respectively x = 1, y = 4, x = - 3, y = - 4. Please solve the following problems: (1) solve the equation; (2) represent all the solutions of the equation with images
• 19. If ax + (A-1) Y-7 = 0 is a bivariate linear equation about X, y, then the value range of a is Writing process
• 20. Ax + (B + 1) y = 3 is a bivariate linear equation about X and y, then the value range of M and N is? Wrong. It's the value range of ab