3(1+2t)=42

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Solution for 3(1+2t)=42 equation: 


Simplifying
3(1 + 2t) = 42
(1 * 3 + 2t * 3) = 42
(3 + 6t) = 42

Solving
3 + 6t = 42

Solving for variable 't'.

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

Add '-3' to each side of the equation.
3 + -3 + 6t = 42 + -3

Combine like terms: 3 + -3 = 0
0 + 6t = 42 + -3
6t = 42 + -3

Combine like terms: 42 + -3 = 39
6t = 39

Divide each side by '6'.
t = 6.5

Simplifying
t = 6.5

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