Subtract 2n from -10n to get -12n
-12n
16.
1,200*.1=120
1200-120= 1080
1080
17.
199.95*.3=59.99 (rounded)
199.95-59.99=140
140
18.
5700*.6=3420
5700-3420=2280
2280
19.
7000*.5=3500
7000-3500=3500
3500
4+x+2-2x=5
-x+6=5
-x+6-6=5-6[tex]
-x/-1 = -1/-1
x+1
