3t+21=8t

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Solution for 3t+21=8t equation:


Simplifying
3t + 21 = 8t

Reorder the terms:
21 + 3t = 8t

Solving
21 + 3t = 8t

Solving for variable 't'.

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

Add '-8t' to each side of the equation.
21 + 3t + -8t = 8t + -8t

Combine like terms: 3t + -8t = -5t
21 + -5t = 8t + -8t

Combine like terms: 8t + -8t = 0
21 + -5t = 0

Add '-21' to each side of the equation.
21 + -21 + -5t = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -5t = 0 + -21
-5t = 0 + -21

Combine like terms: 0 + -21 = -21
-5t = -21

Divide each side by '-5'.
t = 4.2

Simplifying
t = 4.2

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