25t-.4(t-1)=75

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Solution for 25t-.4(t-1)=75 equation: 


Simplifying
25t + -0.4(t + -1) = 75

Reorder the terms:
25t + -0.4(-1 + t) = 75
25t + (-1 * -0.4 + t * -0.4) = 75
25t + (0.4 + -0.4t) = 75

Reorder the terms:
0.4 + 25t + -0.4t = 75

Combine like terms: 25t + -0.4t = 24.6t
0.4 + 24.6t = 75

Solving
0.4 + 24.6t = 75

Solving for variable 't'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 24.6t = 75 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 24.6t = 75 + -0.4
24.6t = 75 + -0.4

Combine like terms: 75 + -0.4 = 74.6
24.6t = 74.6

Divide each side by '24.6'.
t = 3.032520325

Simplifying
t = 3.032520325

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