SOLUTION: Please help me. use the subtraction method to solve for s. 3t+5s=10 3t+ s=2 & 4s-5t=7 2s-5t=3

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Question 66359: Please help me.
use the subtraction method to solve for s.
3t+5s=10
3t+ s=2
&
4s-5t=7
2s-5t=3
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
3t+5s =10
3t+ s = 2
----------- subtract
0t + 4s = 8
4s = 8
s = 8/4
s = 2
:
:
4s - 5t = 7
2s - 5t = 3
----------- subtract
2s + 0t = 4
2s = 4t
s = 4/2
s = 2
:
pretty easy, right?