t-1=7-t

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Solution for t-1=7-t equation:


Simplifying
t + -1 = 7 + -1t

Reorder the terms:
-1 + t = 7 + -1t

Solving
-1 + t = 7 + -1t

Solving for variable 't'.

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

Add 't' to each side of the equation.
-1 + t + t = 7 + -1t + t

Combine like terms: t + t = 2t
-1 + 2t = 7 + -1t + t

Combine like terms: -1t + t = 0
-1 + 2t = 7 + 0
-1 + 2t = 7

Add '1' to each side of the equation.
-1 + 1 + 2t = 7 + 1

Combine like terms: -1 + 1 = 0
0 + 2t = 7 + 1
2t = 7 + 1

Combine like terms: 7 + 1 = 8
2t = 8

Divide each side by '2'.
t = 4

Simplifying
t = 4

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