20=4-9t

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Solution for 20=4-9t equation:


Simplifying
20 = 4 + -9t

Solving
20 = 4 + -9t

Solving for variable 't'.

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

Add '9t' to each side of the equation.
20 + 9t = 4 + -9t + 9t

Combine like terms: -9t + 9t = 0
20 + 9t = 4 + 0
20 + 9t = 4

Add '-20' to each side of the equation.
20 + -20 + 9t = 4 + -20

Combine like terms: 20 + -20 = 0
0 + 9t = 4 + -20
9t = 4 + -20

Combine like terms: 4 + -20 = -16
9t = -16

Divide each side by '9'.
t = -1.777777778

Simplifying
t = -1.777777778

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