f(2.5)=-3(2.5)+7

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Solution for f(2.5)=-3(2.5)+7 equation: 


Simplifying
f(2.5) = -3(2.5) + 7

Reorder the terms for easier multiplication:
2.5f = -3(2.5) + 7

Multiply -3 * 2.5
2.5f = -7.5 + 7

Combine like terms: -7.5 + 7 = -0.5
2.5f = -0.5

Solving
2.5f = -0.5

Solving for variable 'f'.

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

Divide each side by '2.5'.
f = -0.2

Simplifying
f = -0.2

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