Tx-u=7t

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Solution for Tx-u=7t equation: 


Simplifying
Tx + -1u = 7t

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

Solving
-1u + xT = 7t

Solving for variable 'u'.

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

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

Combine like terms: xT + -1xT = 0
-1u + 0 = 7t + -1xT
-1u = 7t + -1xT

Divide each side by '-1'.
u = -7t + xT

Simplifying
u = -7t + xT

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