3x-7t=21

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Solution for 3x-7t=21 equation: 


Simplifying
3x + -7t = 21

Reorder the terms:
-7t + 3x = 21

Solving
-7t + 3x = 21

Solving for variable 't'.

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

Add '-3x' to each side of the equation.
-7t + 3x + -3x = 21 + -3x

Combine like terms: 3x + -3x = 0
-7t + 0 = 21 + -3x
-7t = 21 + -3x

Divide each side by '-7'.
t = -3 + 0.4285714286x

Simplifying
t = -3 + 0.4285714286x

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