Solve the equation by simplifying both sides and isolating the variable.
22.) 2x+3x=5
23.) 10x-3x=20+1
24.) 2(x-4)=2
25.) 1/3(x+6)=1
26.) 4=2/3x+9+1/3x
27.) 14=-2(4x+5)
28.) 17=2(2x+9)
29.) 5x-8x=18
30.) 2(x+5)+3x=0