7t-13t+-9+20t=-20

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Solution for 7t-13t+-9+20t=-20 equation:


Simplifying
7t + -13t + -9 + 20t = -20

Reorder the terms:
-9 + 7t + -13t + 20t = -20

Combine like terms: 7t + -13t = -6t
-9 + -6t + 20t = -20

Combine like terms: -6t + 20t = 14t
-9 + 14t = -20

Solving
-9 + 14t = -20

Solving for variable 't'.

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

Add '9' to each side of the equation.
-9 + 9 + 14t = -20 + 9

Combine like terms: -9 + 9 = 0
0 + 14t = -20 + 9
14t = -20 + 9

Combine like terms: -20 + 9 = -11
14t = -11

Divide each side by '14'.
t = -0.7857142857

Simplifying
t = -0.7857142857

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