20=-49t^2+147

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Solution for 20=-49t^2+147 equation: 


Simplifying
20 = -49t2 + 147

Reorder the terms:
20 = 147 + -49t2

Solving
20 = 147 + -49t2

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '49t2' to each side of the equation.
20 + 49t2 = 147 + -49t2 + 49t2

Combine like terms: -49t2 + 49t2 = 0
20 + 49t2 = 147 + 0
20 + 49t2 = 147

Add '-20' to each side of the equation.
20 + -20 + 49t2 = 147 + -20

Combine like terms: 20 + -20 = 0
0 + 49t2 = 147 + -20
49t2 = 147 + -20

Combine like terms: 147 + -20 = 127
49t2 = 127

Divide each side by '49'.
t2 = 2.591836735

Simplifying
t2 = 2.591836735

Take the square root of each side:
t = {-1.609918239, 1.609918239}

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