5t+9=21

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Solution for 5t+9=21 equation:


Simplifying
5t + 9 = 21

Reorder the terms:
9 + 5t = 21

Solving
9 + 5t = 21

Solving for variable 't'.

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

Add '-9' to each side of the equation.
9 + -9 + 5t = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 5t = 21 + -9
5t = 21 + -9

Combine like terms: 21 + -9 = 12
5t = 12

Divide each side by '5'.
t = 2.4

Simplifying
t = 2.4

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