15t+3.9=78.9

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Solution for 15t+3.9=78.9 equation: 


Simplifying
15t + 3.9 = 78.9

Reorder the terms:
3.9 + 15t = 78.9

Solving
3.9 + 15t = 78.9

Solving for variable 't'.

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

Add '-3.9' to each side of the equation.
3.9 + -3.9 + 15t = 78.9 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + 15t = 78.9 + -3.9
15t = 78.9 + -3.9

Combine like terms: 78.9 + -3.9 = 75
15t = 75

Divide each side by '15'.
t = 5

Simplifying
t = 5

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