2(f-1)+1=9

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Solution for 2(f-1)+1=9 equation:


Simplifying
2(f + -1) + 1 = 9

Reorder the terms:
2(-1 + f) + 1 = 9
(-1 * 2 + f * 2) + 1 = 9
(-2 + 2f) + 1 = 9

Reorder the terms:
-2 + 1 + 2f = 9

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

Solving
-1 + 2f = 9

Solving for variable 'f'.

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

Add '1' to each side of the equation.
-1 + 1 + 2f = 9 + 1

Combine like terms: -1 + 1 = 0
0 + 2f = 9 + 1
2f = 9 + 1

Combine like terms: 9 + 1 = 10
2f = 10

Divide each side by '2'.
f = 5

Simplifying
f = 5

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