t-0.8=4.2

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Solution for t-0.8=4.2 equation: 


Simplifying
t + -0.8 = 4.2

Reorder the terms:
-0.8 + t = 4.2

Solving
-0.8 + t = 4.2

Solving for variable 't'.

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

Add '0.8' to each side of the equation.
-0.8 + 0.8 + t = 4.2 + 0.8

Combine like terms: -0.8 + 0.8 = 0.0
0.0 + t = 4.2 + 0.8
t = 4.2 + 0.8

Combine like terms: 4.2 + 0.8 = 5
t = 5

Simplifying
t = 5

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