SOLUTION: What is -9=9(9-5t) Im trying my best 2 figure out what t= Your help would be much appreciated
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Question 67992
:
What is -9=9(9-5t)
Im trying my best 2 figure out what t=
Your help would be much appreciated
Answer by
tutorcecilia(2152)
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-9=9(9-5t)
-9=91-45t [use the distributive property]
-9+9=81+9-45t [solve for t]
0=90-45t
0+45t=90-45t+45t
45t=90
45t/45=90/45
t=2
.
checking by plugging t=2 back into the original formula:
-9=9(9-5t)
-9=9(9-5(2))
-9=9(9-10)
-9=9(-1)
-9=-9 [checks out]