0.2-1.3+-0.8=1-2.1t-0.8

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Solution for 0.2-1.3+-0.8=1-2.1t-0.8 equation: 


Simplifying
0.2 + -1.3 + -0.8 = 1 + -2.1t + -0.8

Combine like terms: 0.2 + -1.3 = -1.1
-1.1 + -0.8 = 1 + -2.1t + -0.8

Combine like terms: -1.1 + -0.8 = -1.9
-1.9 = 1 + -2.1t + -0.8

Reorder the terms:
-1.9 = 1 + -0.8 + -2.1t

Combine like terms: 1 + -0.8 = 0.2
-1.9 = 0.2 + -2.1t

Solving
-1.9 = 0.2 + -2.1t

Solving for variable 't'.

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

Add '2.1t' to each side of the equation.
-1.9 + 2.1t = 0.2 + -2.1t + 2.1t

Combine like terms: -2.1t + 2.1t = 0.0
-1.9 + 2.1t = 0.2 + 0.0
-1.9 + 2.1t = 0.2

Add '1.9' to each side of the equation.
-1.9 + 1.9 + 2.1t = 0.2 + 1.9

Combine like terms: -1.9 + 1.9 = 0.0
0.0 + 2.1t = 0.2 + 1.9
2.1t = 0.2 + 1.9

Combine like terms: 0.2 + 1.9 = 2.1
2.1t = 2.1

Divide each side by '2.1'.
t = 1

Simplifying
t = 1

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