4a*6a-2a+12-11=24a^2-2a+12-11=24a^2-2a+1
-8+5.2a+3x+5a=-8+10.2a+3x
5a+7a-9.2m+15m=12a-9.2m+15m=12a+5.8m
23x-23+40+4x=23x+17+4x=27x+17
-12z+3x+3.2z-2.3x=-8.8z+3x-2.3x=-8.8z+0.7x
4a*6a-2a+12-11=24a^2-2a+12-11=24a^2-2a+1
-8+5.2a+3x+5a=-8+10.2a+3x
5a+7a-9.2m+15m=12a-9.2m+15m=12a+5.8m
23x-23+40+4x=23x+17+4x=27x+17
-12z+3x+3.2z-2.3x=-8.8z+3x-2.3x=-8.8z+0.7x