X+y = 4, therefore y = 4-x when you rearrange the equation.
You can subsitute this in: x-(4-x) = 6
-4+x = 6-x
x=10-x
2x = 10
x = 5
Substitute x into the previous equation:
5+y = 4
y = 4-5
y = -1
Answer:
s+32 =187 is the equation for the total number of songs downloaded
s=155 is the number of songs initially downloaded in this situation,
Step-by-step explanation:
s+32 =187
s=187-32 solve for s
s=155
Answer:
n=-3
Step-by-step explanation:
Alrighty, now if I understood the problem correctly, we can simplify it to:
-5=n-2
We do +2 on both sides, and -5+2 is -3
So, n=-3
His yearly salary is 10,800
Answer:
Step-by-step explanation:
You cannot solve the problem be cause you dont know how many trees there are.
