f(1)=7*1-9

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Solution for f(1)=7*1-9 equation: 


Simplifying
f(1) = 7 * 1 + -9

Reorder the terms for easier multiplication:
1f = 7 * 1 + -9

Multiply 7 * 1
1f = 7 + -9

Combine like terms: 7 + -9 = -2
1f = -2

Solving
1f = -2

Solving for variable 'f'.

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

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

Simplifying
f = -2

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