15=7+5(f-2)

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Solution for 15=7+5(f-2) equation:


Simplifying
15 = 7 + 5(f + -2)

Reorder the terms:
15 = 7 + 5(-2 + f)
15 = 7 + (-2 * 5 + f * 5)
15 = 7 + (-10 + 5f)

Combine like terms: 7 + -10 = -3
15 = -3 + 5f

Solving
15 = -3 + 5f

Solving for variable 'f'.

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

Add '-5f' to each side of the equation.
15 + -5f = -3 + 5f + -5f

Combine like terms: 5f + -5f = 0
15 + -5f = -3 + 0
15 + -5f = -3

Add '-15' to each side of the equation.
15 + -15 + -5f = -3 + -15

Combine like terms: 15 + -15 = 0
0 + -5f = -3 + -15
-5f = -3 + -15

Combine like terms: -3 + -15 = -18
-5f = -18

Divide each side by '-5'.
f = 3.6

Simplifying
f = 3.6

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