7S+9(9S+80)=

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Solution for 7S+9(9S+80)= equation:


Simplifying
7S + 9(9S + 80) = 0

Reorder the terms:
7S + 9(80 + 9S) = 0
7S + (80 * 9 + 9S * 9) = 0
7S + (720 + 81S) = 0

Reorder the terms:
720 + 7S + 81S = 0

Combine like terms: 7S + 81S = 88S
720 + 88S = 0

Solving
720 + 88S = 0

Solving for variable 'S'.

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

Add '-720' to each side of the equation.
720 + -720 + 88S = 0 + -720

Combine like terms: 720 + -720 = 0
0 + 88S = 0 + -720
88S = 0 + -720

Combine like terms: 0 + -720 = -720
88S = -720

Divide each side by '88'.
S = -8.181818182

Simplifying
S = -8.181818182

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