5(2f+6)=5f-9

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Solution for 5(2f+6)=5f-9 equation:


Simplifying
5(2f + 6) = 5f + -9

Reorder the terms:
5(6 + 2f) = 5f + -9
(6 * 5 + 2f * 5) = 5f + -9
(30 + 10f) = 5f + -9

Reorder the terms:
30 + 10f = -9 + 5f

Solving
30 + 10f = -9 + 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.
30 + 10f + -5f = -9 + 5f + -5f

Combine like terms: 10f + -5f = 5f
30 + 5f = -9 + 5f + -5f

Combine like terms: 5f + -5f = 0
30 + 5f = -9 + 0
30 + 5f = -9

Add '-30' to each side of the equation.
30 + -30 + 5f = -9 + -30

Combine like terms: 30 + -30 = 0
0 + 5f = -9 + -30
5f = -9 + -30

Combine like terms: -9 + -30 = -39
5f = -39

Divide each side by '5'.
f = -7.8

Simplifying
f = -7.8

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