0.9t-0.1(50-t)=12

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Solution for 0.9t-0.1(50-t)=12 equation: 


Simplifying
0.9t + -0.1(50 + -1t) = 12
0.9t + (50 * -0.1 + -1t * -0.1) = 12
0.9t + (-5 + 0.1t) = 12

Reorder the terms:
-5 + 0.9t + 0.1t = 12

Combine like terms: 0.9t + 0.1t = 1t
-5 + 1t = 12

Solving
-5 + 1t = 12

Solving for variable 't'.

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

Add '5' to each side of the equation.
-5 + 5 + 1t = 12 + 5

Combine like terms: -5 + 5 = 0
0 + 1t = 12 + 5
1t = 12 + 5

Combine like terms: 12 + 5 = 17
1t = 17

Divide each side by '1'.
t = 17

Simplifying
t = 17

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