15=5+6(f-7)

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Solution for 15=5+6(f-7) equation:


Simplifying
15 = 5 + 6(f + -7)

Reorder the terms:
15 = 5 + 6(-7 + f)
15 = 5 + (-7 * 6 + f * 6)
15 = 5 + (-42 + 6f)

Combine like terms: 5 + -42 = -37
15 = -37 + 6f

Solving
15 = -37 + 6f

Solving for variable 'f'.

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

Add '-6f' to each side of the equation.
15 + -6f = -37 + 6f + -6f

Combine like terms: 6f + -6f = 0
15 + -6f = -37 + 0
15 + -6f = -37

Add '-15' to each side of the equation.
15 + -15 + -6f = -37 + -15

Combine like terms: 15 + -15 = 0
0 + -6f = -37 + -15
-6f = -37 + -15

Combine like terms: -37 + -15 = -52
-6f = -52

Divide each side by '-6'.
f = 8.666666667

Simplifying
f = 8.666666667

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