(1+s)+(2+s)+s=30

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Solution for (1+s)+(2+s)+s=30 equation:


Simplifying
(1 + s) + (2 + s) + s = 30

Remove parenthesis around (1 + s)
1 + s + (2 + s) + s = 30

Remove parenthesis around (2 + s)
1 + s + 2 + s + s = 30

Reorder the terms:
1 + 2 + s + s + s = 30

Combine like terms: 1 + 2 = 3
3 + s + s + s = 30

Combine like terms: s + s = 2s
3 + 2s + s = 30

Combine like terms: 2s + s = 3s
3 + 3s = 30

Solving
3 + 3s = 30

Solving for variable 's'.

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

Add '-3' to each side of the equation.
3 + -3 + 3s = 30 + -3

Combine like terms: 3 + -3 = 0
0 + 3s = 30 + -3
3s = 30 + -3

Combine like terms: 30 + -3 = 27
3s = 27

Divide each side by '3'.
s = 9

Simplifying
s = 9

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