-7+9t=21t-17

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Solution for -7+9t=21t-17 equation:


Simplifying
-7 + 9t = 21t + -17

Reorder the terms:
-7 + 9t = -17 + 21t

Solving
-7 + 9t = -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.
-7 + 9t + -21t = -17 + 21t + -21t

Combine like terms: 9t + -21t = -12t
-7 + -12t = -17 + 21t + -21t

Combine like terms: 21t + -21t = 0
-7 + -12t = -17 + 0
-7 + -12t = -17

Add '7' to each side of the equation.
-7 + 7 + -12t = -17 + 7

Combine like terms: -7 + 7 = 0
0 + -12t = -17 + 7
-12t = -17 + 7

Combine like terms: -17 + 7 = -10
-12t = -10

Divide each side by '-12'.
t = 0.8333333333

Simplifying
t = 0.8333333333

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