Answer:
450
Step-by-step explanation:
75 x 6 is 450 so the answer is 450
3/2x - 2
x= -10
2x+10=1/2(5x+30)
2x+10=2.5x+15
.5x=-5
5x=-50
David got it correctly
5.6 x 10=56 not 0.56
7.21 X 100= 721 not 0.721