9t-21=6t-3

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Solution for 9t-21=6t-3 equation:


Simplifying
9t + -21 = 6t + -3

Reorder the terms:
-21 + 9t = 6t + -3

Reorder the terms:
-21 + 9t = -3 + 6t

Solving
-21 + 9t = -3 + 6t

Solving for variable 't'.

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

Add '-6t' to each side of the equation.
-21 + 9t + -6t = -3 + 6t + -6t

Combine like terms: 9t + -6t = 3t
-21 + 3t = -3 + 6t + -6t

Combine like terms: 6t + -6t = 0
-21 + 3t = -3 + 0
-21 + 3t = -3

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

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

Combine like terms: -3 + 21 = 18
3t = 18

Divide each side by '3'.
t = 6

Simplifying
t = 6

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