280 △ 4x = 14 equations,

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• 2. The solution of 9x + 54-4x = 68.5 equation Come on, don't read it wrong
• 3. Square of 2 + 9x-4x = 0
• 4. Solution equation: 9x ^ 4-4x ^ 2 + 4x-1 = 0
• 5. Given that x = 1 is the solution of the equation mx-n-4x = 3 about X, what is the value of m-n. if the root of the equation 9x-a = 0 about X is A-1, what is the value of A-1 / a Help. I'm in a hurry
• 6. Given that the product of a polynomial and the monomial - 7x ^ 5Y ^ 4 is 21x ^ 5Y ^ 4-28x ^ 7Y ^ 4 + 7Y (2x ^ 3Y ^ 2) ^ 2, find the polynomial
• 7. We know that the product of a polynomial and the monomial - 7x & # 178; Y & # 179; is The fourth power of 21x, the fifth power of Y minus the seventh power of 28x, the seventh power of y plus the sixth power of 14x, the sixth power of Y, try to find this polynomial
• 8. 7x-6=2x+8
• 9. 8-7x=4+2x
• 10. How to do 18-7x = 2x-9
• 11. 17.4x-14.9x=1.25×6
• 12. How to solve the equation 4x + x = 3.75
• 13. X-0.7x * 8 = 7.5 calculated by equation
• 14. If x = 3 is the solution of the equation a (X-7) / 3 = A / 7X + 6 about X, find the value of A
• 15. How to solve the equation of 0.7x △ 1.4 = 0.6?
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• 17. How to solve the equation 7x-25 = 4.95
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• 19. How to solve the equation 7x-25 = 12.4?
• 20. 7x-0.25 * 12 = 14.5 solved by equation Premonition