Try this suggested example.
PS. the 1st step is marked with red, the 2d step - with green, the 3d step - with blue colours, then the final step is marked with orange.
Let p = the number of pennies
let q = the number of quarters
p + q = 23
0.01p + 0.25q = 3.11
Answer:
if your asking what do you have to add to negative 4 to get 16then you add 20 or if your asking what to add to get -4 I will need more info message me or comment
Answer:
-17
Step-by-step explanation:
28 - 45 = -17$ in her account
8x-12y=84
in slope intersept form or (y=mx+b) is
y=2/3x-7