First Exercise Sage

127 days ago by andreatorress

solve([6-2*x-2*3==3+x],x) 
        
[x == -1]
[x == -1]
solve([-5*x>20],x) 
        
[[x < -4]]
[[x < -4]]
solve([5+x<-3],x) 
        
[[x < -8]]
[[x < -8]]
def f(x): return 3 - 2*x^2 f(100) 
        
-19997
-19997
var('a') solve (a==2 + x,x) 
        
[x == a - 2]
[x == a - 2]