25. is 3+2n=4n+7
27. is 2(3+2x)=3(x-4)
29. is 8x-(3x+2)=3x-10
34. is 1-1/2x=6
43.is 1/2 +2/x=3/4
51. is x/x-1 +3=2/x-2
57. is 5/2x-3 +3/x +5
59. is 6t+7/4t-1=3t+8/2t-4
show your work