9s-4=77

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Solution for 9s-4=77 equation: 


Simplifying
9s + -4 = 77

Reorder the terms:
-4 + 9s = 77

Solving
-4 + 9s = 77

Solving for variable 's'.

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

Add '4' to each side of the equation.
-4 + 4 + 9s = 77 + 4

Combine like terms: -4 + 4 = 0
0 + 9s = 77 + 4
9s = 77 + 4

Combine like terms: 77 + 4 = 81
9s = 81

Divide each side by '9'.
s = 9

Simplifying
s = 9

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