4+5t=21

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Solution for 4+5t=21 equation: 


Simplifying
4 + 5t = 21

Solving
4 + 5t = 21

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 + 5t = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 5t = 21 + -4
5t = 21 + -4

Combine like terms: 21 + -4 = 17
5t = 17

Divide each side by '5'.
t = 3.4

Simplifying
t = 3.4

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