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Simplifying
-28y2 + 7t2 = 0
Reorder the terms:
7t2 + -28y2 = 0
Solving
7t2 + -28y2 = 0
Solving for variable 't'.
Move all terms containing t to the left, all other terms to the right.
Add '28y2' to each side of the equation.
7t2 + -28y2 + 28y2 = 0 + 28y2
Combine like terms: -28y2 + 28y2 = 0
7t2 + 0 = 0 + 28y2
7t2 = 0 + 28y2
Remove the zero:
7t2 = 28y2
Divide each side by '7'.
t2 = 4y2
Simplifying
t2 = 4y2
Take the square root of each side:
t = {-2y, 2y}
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