f+9(f-2)=69

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Solution for f+9(f-2)=69 equation:


Simplifying
f + 9(f + -2) = 69

Reorder the terms:
f + 9(-2 + f) = 69
f + (-2 * 9 + f * 9) = 69
f + (-18 + 9f) = 69

Reorder the terms:
-18 + f + 9f = 69

Combine like terms: f + 9f = 10f
-18 + 10f = 69

Solving
-18 + 10f = 69

Solving for variable 'f'.

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

Add '18' to each side of the equation.
-18 + 18 + 10f = 69 + 18

Combine like terms: -18 + 18 = 0
0 + 10f = 69 + 18
10f = 69 + 18

Combine like terms: 69 + 18 = 87
10f = 87

Divide each side by '10'.
f = 8.7

Simplifying
f = 8.7

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