Answer:
x>-2
Step-by-step explanation:
5x-7x<-4+8
-2x<4
x>-2
180 miles per hour. 45*4 to get the answer.<span />
20x = 2*100
x = 10 ml (amt of 30% solution needed)
100-x = 90 ml (amt of 10% solution needed)
Very hard but I hope it helps
Answer:
your awnser should be. 4(x + 7 ) = -36
I'm not sure it is for sure a real number or a rational number.