12+x+5=280

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Solution for 12+x+5=280 equation: 


Simplifying
12 + x + 5 = 280

Reorder the terms:
12 + 5 + x = 280

Combine like terms: 12 + 5 = 17
17 + x = 280

Solving
17 + x = 280

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + x = 280 + -17

Combine like terms: 17 + -17 = 0
0 + x = 280 + -17
x = 280 + -17

Combine like terms: 280 + -17 = 263
x = 263

Simplifying
x = 263

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