3f(x)+x=2f(x)-x

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Solution for 3f(x)+x=2f(x)-x equation:


Simplifying
3f(x) + x = 2f(x) + -1x

Multiply f * x
3fx + x = 2f(x) + -1x

Multiply f * x
3fx + x = 2fx + -1x

Solving
3fx + x = 2fx + -1x

Solving for variable 'f'.

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

Add '-2fx' to each side of the equation.
3fx + -2fx + x = 2fx + -2fx + -1x

Combine like terms: 3fx + -2fx = 1fx
1fx + x = 2fx + -2fx + -1x

Combine like terms: 2fx + -2fx = 0
1fx + x = 0 + -1x
1fx + x = -1x

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

Combine like terms: x + -1x = 0
1fx + 0 = -1x + -1x
1fx = -1x + -1x

Combine like terms: -1x + -1x = -2x
1fx = -2x

Divide each side by '1x'.
f = -2

Simplifying
f = -2

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