21t+4=-20

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Solution for 21t+4=-20 equation: 


Simplifying
21t + 4 = -20

Reorder the terms:
4 + 21t = -20

Solving
4 + 21t = -20

Solving for variable 't'.

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

Add '-4' to each side of the equation.
4 + -4 + 21t = -20 + -4

Combine like terms: 4 + -4 = 0
0 + 21t = -20 + -4
21t = -20 + -4

Combine like terms: -20 + -4 = -24
21t = -24

Divide each side by '21'.
t = -1.142857143

Simplifying
t = -1.142857143

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