-(-8+3)+(-5-19)
solve
2(2x-3)=2x+1
(x-3)^3-(x+4)^2
2x+7=5x-2
36=3E-51e^0,0026x
3x+4/2=9.5
5(2x+1)=50
3x+1=2x+9
2(5x-3)=24
+(-1+4)-(+17-6)
