3+(t+9)=15

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Solution for 3+(t+9)=15 equation: 


Simplifying
3 + (t + 9) = 15

Reorder the terms:
3 + (9 + t) = 15

Remove parenthesis around (9 + t)
3 + 9 + t = 15

Combine like terms: 3 + 9 = 12
12 + t = 15

Solving
12 + t = 15

Solving for variable 't'.

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

Add '-12' to each side of the equation.
12 + -12 + t = 15 + -12

Combine like terms: 12 + -12 = 0
0 + t = 15 + -12
t = 15 + -12

Combine like terms: 15 + -12 = 3
t = 3

Simplifying
t = 3

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