f(7)-9=2(7)-6-9

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Solution for f(7)-9=2(7)-6-9 equation:


Simplifying
f(7) + -9 = 2(7) + -6 + -9

Reorder the terms for easier multiplication:
7f + -9 = 2(7) + -6 + -9

Reorder the terms:
-9 + 7f = 2(7) + -6 + -9

Multiply 2 * 7
-9 + 7f = 14 + -6 + -9

Combine like terms: 14 + -6 = 8
-9 + 7f = 8 + -9

Combine like terms: 8 + -9 = -1
-9 + 7f = -1

Solving
-9 + 7f = -1

Solving for variable 'f'.

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

Add '9' to each side of the equation.
-9 + 9 + 7f = -1 + 9

Combine like terms: -9 + 9 = 0
0 + 7f = -1 + 9
7f = -1 + 9

Combine like terms: -1 + 9 = 8
7f = 8

Divide each side by '7'.
f = 1.142857143

Simplifying
f = 1.142857143

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