7s+9=5s-9

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Solution for 7s+9=5s-9 equation:


Simplifying
7s + 9 = 5s + -9

Reorder the terms:
9 + 7s = 5s + -9

Reorder the terms:
9 + 7s = -9 + 5s

Solving
9 + 7s = -9 + 5s

Solving for variable 's'.

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

Add '-5s' to each side of the equation.
9 + 7s + -5s = -9 + 5s + -5s

Combine like terms: 7s + -5s = 2s
9 + 2s = -9 + 5s + -5s

Combine like terms: 5s + -5s = 0
9 + 2s = -9 + 0
9 + 2s = -9

Add '-9' to each side of the equation.
9 + -9 + 2s = -9 + -9

Combine like terms: 9 + -9 = 0
0 + 2s = -9 + -9
2s = -9 + -9

Combine like terms: -9 + -9 = -18
2s = -18

Divide each side by '2'.
s = -9

Simplifying
s = -9

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