1t+20-21=6

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Solution for 1t+20-21=6 equation: 


Simplifying
1t + 20 + -21 = 6

Reorder the terms:
20 + -21 + 1t = 6

Combine like terms: 20 + -21 = -1
-1 + 1t = 6

Solving
-1 + 1t = 6

Solving for variable 't'.

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

Add '1' to each side of the equation.
-1 + 1 + 1t = 6 + 1

Combine like terms: -1 + 1 = 0
0 + 1t = 6 + 1
1t = 6 + 1

Combine like terms: 6 + 1 = 7
1t = 7

Divide each side by '1'.
t = 7

Simplifying
t = 7

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