S*7-28=161

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Solution for S*7-28=161 equation:


Simplifying
S * 7 + -28 = 161

Reorder the terms for easier multiplication:
7S + -28 = 161

Reorder the terms:
-28 + 7S = 161

Solving
-28 + 7S = 161

Solving for variable 'S'.

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

Add '28' to each side of the equation.
-28 + 28 + 7S = 161 + 28

Combine like terms: -28 + 28 = 0
0 + 7S = 161 + 28
7S = 161 + 28

Combine like terms: 161 + 28 = 189
7S = 189

Divide each side by '7'.
S = 27

Simplifying
S = 27

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