s+6+2s=-15

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Solution for s+6+2s=-15 equation: 


Simplifying
s + 6 + 2s = -15

Reorder the terms:
6 + s + 2s = -15

Combine like terms: s + 2s = 3s
6 + 3s = -15

Solving
6 + 3s = -15

Solving for variable 's'.

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

Add '-6' to each side of the equation.
6 + -6 + 3s = -15 + -6

Combine like terms: 6 + -6 = 0
0 + 3s = -15 + -6
3s = -15 + -6

Combine like terms: -15 + -6 = -21
3s = -21

Divide each side by '3'.
s = -7

Simplifying
s = -7

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