3(3s+7)=-(8-a)

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Solution for 3(3s+7)=-(8-a) equation:


Simplifying
3(3s + 7) = -1(8 + -1a)

Reorder the terms:
3(7 + 3s) = -1(8 + -1a)
(7 * 3 + 3s * 3) = -1(8 + -1a)
(21 + 9s) = -1(8 + -1a)
21 + 9s = (8 * -1 + -1a * -1)
21 + 9s = (-8 + 1a)

Solving
21 + 9s = -8 + 1a

Solving for variable 's'.

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

Add '-21' to each side of the equation.
21 + -21 + 9s = -8 + -21 + 1a

Combine like terms: 21 + -21 = 0
0 + 9s = -8 + -21 + 1a
9s = -8 + -21 + 1a

Combine like terms: -8 + -21 = -29
9s = -29 + 1a

Divide each side by '9'.
s = -3.222222222 + 0.1111111111a

Simplifying
s = -3.222222222 + 0.1111111111a

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