f(r)=2.30+3.25(r+.040)

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Solution for f(r)=2.30+3.25(r+.040) equation: 


Simplifying
f(r) = 2.30 + 3.25(r + 0.040)

Multiply f * r
fr = 2.30 + 3.25(r + 0.040)

Reorder the terms:
fr = 2.30 + 3.25(0.040 + r)
fr = 2.30 + (0.040 * 3.25 + r * 3.25)
fr = 2.30 + (0.13 + 3.25r)

Combine like terms: 2.30 + 0.13 = 2.43
fr = 2.43 + 3.25r

Solving
fr = 2.43 + 3.25r

Solving for variable 'f'.

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

Divide each side by 'r'.
f = 2.43r-1 + 3.25

Simplifying
f = 2.43r-1 + 3.25

Reorder the terms:
f = 3.25 + 2.43r-1

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