40 23. 2x = 8 24. 5 3 = 2 +3 2 25. 2x = 4 26. 4x = 5x – 3 27. 5 ( x – 3 ) = 3 ( 6 – 2x ) 28. 4x + 7 = 2x + 8 29. 4 – ( x + 7 ) = 5x + 6 30. −7 +2 = 3 31. 4x – 2 = 14 32. 2 3 x – 1 = 1 4 x + 4 33. 1−2 5 = 3 34. −2 4 = −4 2 35. 12 3 = 1 2 36. 8 + 2x = 12 + 6x 37. 3x – 10 = 5x + 2 38. 2x – 13 = 5x + 2 39. 1−2 3 = 3 40. 5 − 2 = 11 − 5 41. 2( − 3) = 4(2 + 3) 42. 1 − 1 3 (5 − ) = 0 43. 2 5 (2 + 1) =1 3 (4 − 6)
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