f(x)=5(9)-5(-3)+8

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Solution for f(x)=5(9)-5(-3)+8 equation: 


Simplifying
f(x) = 5(9) + -5(-3) + 8

Multiply f * x
fx = 5(9) + -5(-3) + 8

Multiply 5 * 9
fx = 45 + -5(-3) + 8

Multiply -5 * -3
fx = 45 + 15 + 8

Combine like terms: 45 + 15 = 60
fx = 60 + 8

Combine like terms: 60 + 8 = 68
fx = 68

Solving
fx = 68

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 68x-1

Simplifying
f = 68x-1

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