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Simplifying
50 = 140 + -5t2
Solving
50 = 140 + -5t2
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Add '5t2' to each side of the equation.
50 + 5t2 = 140 + -5t2 + 5t2
Combine like terms: -5t2 + 5t2 = 0
50 + 5t2 = 140 + 0
50 + 5t2 = 140
Add '-50' to each side of the equation.
50 + -50 + 5t2 = 140 + -50
Combine like terms: 50 + -50 = 0
0 + 5t2 = 140 + -50
5t2 = 140 + -50
Combine like terms: 140 + -50 = 90
5t2 = 90
Divide each side by '5'.
t2 = 18
Simplifying
t2 = 18
Take the square root of each side:
t = {-4.242640687, 4.242640687}
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