f(x)=0.2x-(x+3)

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Solution for f(x)=0.2x-(x+3) equation:


Simplifying
f(x) = 0.2x + -1(x + 3)

Multiply f * x
fx = 0.2x + -1(x + 3)

Reorder the terms:
fx = 0.2x + -1(3 + x)
fx = 0.2x + (3 * -1 + x * -1)
fx = 0.2x + (-3 + -1x)

Reorder the terms:
fx = -3 + 0.2x + -1x

Combine like terms: 0.2x + -1x = -0.8x
fx = -3 + -0.8x

Solving
fx = -3 + -0.8x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -3x-1 + -0.8

Simplifying
f = -3x-1 + -0.8

Reorder the terms:
f = -0.8 + -3x-1

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