2(3s+9)=42

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Solution for 2(3s+9)=42 equation: 


Simplifying
2(3s + 9) = 42

Reorder the terms:
2(9 + 3s) = 42
(9 * 2 + 3s * 2) = 42
(18 + 6s) = 42

Solving
18 + 6s = 42

Solving for variable 's'.

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

Add '-18' to each side of the equation.
18 + -18 + 6s = 42 + -18

Combine like terms: 18 + -18 = 0
0 + 6s = 42 + -18
6s = 42 + -18

Combine like terms: 42 + -18 = 24
6s = 24

Divide each side by '6'.
s = 4

Simplifying
s = 4

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