286=40-x

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Solution for 286=40-x equation:


Simplifying
286 = 40 + -1x

Solving
286 = 40 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
286 + x = 40 + -1x + x

Combine like terms: -1x + x = 0
286 + x = 40 + 0
286 + x = 40

Add '-286' to each side of the equation.
286 + -286 + x = 40 + -286

Combine like terms: 286 + -286 = 0
0 + x = 40 + -286
x = 40 + -286

Combine like terms: 40 + -286 = -246
x = -246

Simplifying
x = -246

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