3[2t+4]=42

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Solution for 3[2t+4]=42 equation: 


Simplifying
3[2t + 4] = 42

Reorder the terms:
3[4 + 2t] = 42
[4 * 3 + 2t * 3] = 42
[12 + 6t] = 42

Solving
12 + 6t = 42

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 + 6t = 42 + -12

Combine like terms: 12 + -12 = 0
0 + 6t = 42 + -12
6t = 42 + -12

Combine like terms: 42 + -12 = 30
6t = 30

Divide each side by '6'.
t = 5

Simplifying
t = 5

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