65+80+78+92+S=80

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Solution for 65+80+78+92+S=80 equation:


Simplifying
65 + 80 + 78 + 92 + S = 80

Combine like terms: 65 + 80 = 145
145 + 78 + 92 + S = 80

Combine like terms: 145 + 78 = 223
223 + 92 + S = 80

Combine like terms: 223 + 92 = 315
315 + S = 80

Solving
315 + S = 80

Solving for variable 'S'.

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

Add '-315' to each side of the equation.
315 + -315 + S = 80 + -315

Combine like terms: 315 + -315 = 0
0 + S = 80 + -315
S = 80 + -315

Combine like terms: 80 + -315 = -235
S = -235

Simplifying
S = -235

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