F(x)=7-x

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Solution for F(x)=7-x equation: 


Simplifying
F(x) = 7 + -1x

Multiply F * x
xF = 7 + -1x

Solving
xF = 7 + -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.
x + xF = 7 + -1x + x

Combine like terms: -1x + x = 0
x + xF = 7 + 0
x + xF = 7

Reorder the terms:
-7 + x + xF = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + x + xF = 0

The solution to this equation could not be determined.

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