2t-3=21-t

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Solution for 2t-3=21-t equation:


Simplifying
2t + -3 = 21 + -1t

Reorder the terms:
-3 + 2t = 21 + -1t

Solving
-3 + 2t = 21 + -1t

Solving for variable 't'.

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

Add 't' to each side of the equation.
-3 + 2t + t = 21 + -1t + t

Combine like terms: 2t + t = 3t
-3 + 3t = 21 + -1t + t

Combine like terms: -1t + t = 0
-3 + 3t = 21 + 0
-3 + 3t = 21

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

Combine like terms: -3 + 3 = 0
0 + 3t = 21 + 3
3t = 21 + 3

Combine like terms: 21 + 3 = 24
3t = 24

Divide each side by '3'.
t = 8

Simplifying
t = 8

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