SOLUTION: Please help me solve these two problems. 1. 9(t-1)=(t+4)-t 2. 40-8s/5=-2s

Question 12080: Please help me solve these two problems.
1. 9(t-1)=(t+4)-t

2. 40-8s/5=-2s
Answer by bonster(299) (Show Source): You can put this solution on YOUR website!
1. 9(t-1)=(t+4)-t
9t-9=t+4-t
9t-9=4 (((add 9 to both sides)))
(9t-9)+9=(4)+9
9t=13 (((divide both sides by 9
=
t= or 1

2. 40-=-2s (((( multiply both sides by 5
(40-)(5)=(-2s)(5)
200-8s=-10s (((((((add 8s to both sides
(200-8s)+8s=(-10s)+8s
200=-2s divide both sides by -2
=
-100=s

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