2×(3x)=5x+12 It's better to write the process and why

RELATED INFORMATIONS

• 1. 3X-12=5X-22
• 2. 3x-1 / 4 = 5x-7-1 / 6
• 3. 5x−76+1＝3x−14．
• 4. The solution equation: (1) 4x-3 (20-x) = - 4 (2) 3x − 14-1 = 5x − 76
• 5. Solving equation 3x-1 / 4 = 5x-7 / 6
• 6. (5x + 1) / 6 - [(3x-1) / 4 - (3x + 1) / 3], where x = - 9
• 7. (1) If the solution of 5 / 2-3x = 3 / 3 a-5x is x = - 9, then the solution of a is - (2) if the value of X + 1 of 2 is greater than that of X-1 of 4, then x is equal to -
• 8. 5-3x/2=1-3-5x/3
• 9. How about 5 / 2-3x = 3 / 3-5X
• 10. (3 / 4-5x) - (5 / 3 + 2x) = 1 / 2-3x-1
• 11. 12+5X>3X How do you do it?
• 12. 5x=3x+12
• 13. 2.5x-4.5 = 3x + 5.5 urgent and checking calculation
• 14. 4x-3 + 3x-4 = 14 solution 2 (X-2) + 2 = x + 1 solution 7x-16 = 66 + 2x solution 7 (x + 6) - 3x = 4 (2x + 5) solution 5x + 15-2x-2 = 16 solution
• 15. Can SiNx + cosx be greater than 1?
• 16. It is proved that the value of 2 + cosx + SiNx * cosx is always greater than 0
• 17. 1×2/1+2×4/1+4×6/1…… +How much is 2010 × 2012 / 1?
• 18. 2013.2014.2015.2016 how many days in total
• 19. 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 which is more beautiful? Ask God for help
• 20. 20122013201420152016201720, 18201920, how many days are there respectively? Ask the great God for help