How to solve the equation 2x + (9-x) = 28?

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• 1. The solution of equation 36-2x = 30
• 2. The solution of 30 + 30 + 2x = 158 equation
• 3. Solve the equation 1.2x-30 * 0.4 = 0
• 4. How to solve the equation 15.3-x + 1.2x = 11.5?
• 5. How to solve the equation 2X-4 [X-15] = 18?
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• 7. How to solve the equation 2 / x = x ^ 2 + 2x; X ^ 2 is the square of X How to solve the equation 2 / x = x ^ 2 + 2x; X ^ 2 is the square of X
• 8. Solve the following equation: x-x / 12 = 9
• 9. 4X plus 30% x = 12.9
• 10. The solution of equation 12-3 (x-1) = 9 is x =?
• 11. Solving equation (2x + 5) ^ 2 - (2x + 1) ^ 2 = 25 (1-x)
• 12. To solve the equation (2x-1) ^ 2-10 (2x-1) + 25 = 0 (1 + √ 2) x ^ 2 - (1 - √ 2) x = 0, do it by factorization
• 13. Solving equation 4 (2x-1) - 2 (x-1) + 3 = 25 What is the process of 4 (2x-1) - 2 (x-1) + 3 = 25 solving the equation? I'm in a hurry! Please! I have to hand it in tomorrow
• 14. 4 (2x-1) - 2 (x-1) = 25
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• 17. （x+2x+x/2）×4=96
• 18. Equations: 2x * 3 = 24 and 2x * 3x = 12, how to solve them?
• 19. Does 3x-1 = 2x + 1 calculate the solution of the equation
• 20. Then the equation: 2x + 3x = 63 + 24 Write down the process 2x+3x=63+24 X divided by 8 = 6.4 times 5 35x+5x=220