9+-8=21t-17

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Solution for 9+-8=21t-17 equation:


Simplifying
9 + -8 = 21t + -17

Combine like terms: 9 + -8 = 1
1 = 21t + -17

Reorder the terms:
1 = -17 + 21t

Solving
1 = -17 + 21t

Solving for variable 't'.

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

Add '-21t' to each side of the equation.
1 + -21t = -17 + 21t + -21t

Combine like terms: 21t + -21t = 0
1 + -21t = -17 + 0
1 + -21t = -17

Add '-1' to each side of the equation.
1 + -1 + -21t = -17 + -1

Combine like terms: 1 + -1 = 0
0 + -21t = -17 + -1
-21t = -17 + -1

Combine like terms: -17 + -1 = -18
-21t = -18

Divide each side by '-21'.
t = 0.8571428571

Simplifying
t = 0.8571428571

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