8-9t=21+12

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Solution for 8-9t=21+12 equation: 


Simplifying
8 + -9t = 21 + 12

Combine like terms: 21 + 12 = 33
8 + -9t = 33

Solving
8 + -9t = 33

Solving for variable 't'.

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

Add '-8' to each side of the equation.
8 + -8 + -9t = 33 + -8

Combine like terms: 8 + -8 = 0
0 + -9t = 33 + -8
-9t = 33 + -8

Combine like terms: 33 + -8 = 25
-9t = 25

Divide each side by '-9'.
t = -2.777777778

Simplifying
t = -2.777777778

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