Answer:

Step-by-step explanation:
We are solving for t.

Multiply both sides by 2.

Divide both sides by

Take square root of both sides.

Any Whole or Rational Number, 1 can be used as an Example if you want it Simple
Answer:
14
Step-by-step explanation:
We solve this by using 2 to open the bracket
(3+4)2 is the same as 2(3+4)
2(3)+2(4)
=6+8
=14
OR
(3+4)2 is the same as 2(3+4)
So we can solve the one inside the bracket first
=2(7)=14
Answer:
$155
Step-by-step explanation:
I believe you are saying that the original price of the bag was decreased by $40, and is now $115. Therefore, you add these two together to get the original price.
Answer:
x=4
Step-by-step explanation:
7/9 - x/9 = 1/3
I like to get rid of fractions so I will multiply each side by 9
9*(7/9 - x/9) = 1/3*9
7 - x = 3
Subtract 7 from each side
7-x-7 = 3-7
-x= -4
Multiply each side by -1
x =4