x+x-1280=115

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Solution for x+x-1280=115 equation:


Simplifying
x + x + -1280 = 115

Reorder the terms:
-1280 + x + x = 115

Combine like terms: x + x = 2x
-1280 + 2x = 115

Solving
-1280 + 2x = 115

Solving for variable 'x'.

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

Add '1280' to each side of the equation.
-1280 + 1280 + 2x = 115 + 1280

Combine like terms: -1280 + 1280 = 0
0 + 2x = 115 + 1280
2x = 115 + 1280

Combine like terms: 115 + 1280 = 1395
2x = 1395

Divide each side by '2'.
x = 697.5

Simplifying
x = 697.5

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