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Vikentia [17]
3 years ago
15

Solve each equation. check you solution. (7t - 2) - (-3t + 1) = -3(1 - 3t)

Mathematics
1 answer:
Lynna [10]3 years ago
5 0
(7t-2) - (-3t+1) = -3*(1-3t)
First distribute:
7t-2+3t-1 = -3+9t
Now get all the terms with 't' on the same side by subtracting/adding:
7t+3t-9t = -3+2+1
Combine the terms:
1t=0
t=0

Check:
Plug in 0 for t and see if both sides of the equation come out the same:
Does (7(0)-2) - (-3(0)+1) = -3(1-3(0))  ?
(-2) - (1) = -3(1)  ?
-3 = -3  ?
Yes! It works, so t=0! 
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