Answer:
x= -5
Step-by-step explanation:
3х - 4<-19=
add +4 to both sides
3x<-15
divide 3 on both sides
x<-5
might have to rewrite the final answer
It is 5
2x2 -4x +6-1= 0 is the standard form
Answer:
Step-by-step explanation:

Answer:
2x-5y=8;x-3y=-1
Step-by-step explanation:
wellcome
Answer:
10 to the 4th power is 10000
Step-by-step explanation:
10*10*10*10=10000