12+18+2t=42

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Solution for 12+18+2t=42 equation: 


Simplifying
12 + 18 + 2t = 42

Combine like terms: 12 + 18 = 30
30 + 2t = 42

Solving
30 + 2t = 42

Solving for variable 't'.

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

Add '-30' to each side of the equation.
30 + -30 + 2t = 42 + -30

Combine like terms: 30 + -30 = 0
0 + 2t = 42 + -30
2t = 42 + -30

Combine like terms: 42 + -30 = 12
2t = 12

Divide each side by '2'.
t = 6

Simplifying
t = 6

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