19) 5c+c=-6+2
6c=-4
c=-4/6
c=-2/3
20) -20-8=-2e
-28=-2e
28/2=e
14=e
21)p-2w=2l
(p-2w)/2=l
Answer:
$17.28
Step-by-step explanation:
20% of $86.40
=
× $86.40
= 0.2 × $86.40
= $17.28 ← commission
Answer:
Step-by-step explanation:
to solve this system of equations we will add them
x-3y=-12
2x+3y=3 now +3y-3y=0
3x=-12+3
3x=-9
x=-3
plug in the first equation
-3-3y=-12
-3y=-12+3
-3y=-9
y=3
Answer:
4 & 17/20
Step-by-step explanation:
Answer:
c2?
Step-by-step explanation: