5(2f+4)=140

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Solution for 5(2f+4)=140 equation:


Simplifying
5(2f + 4) = 140

Reorder the terms:
5(4 + 2f) = 140
(4 * 5 + 2f * 5) = 140
(20 + 10f) = 140

Solving
20 + 10f = 140

Solving for variable 'f'.

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

Add '-20' to each side of the equation.
20 + -20 + 10f = 140 + -20

Combine like terms: 20 + -20 = 0
0 + 10f = 140 + -20
10f = 140 + -20

Combine like terms: 140 + -20 = 120
10f = 120

Divide each side by '10'.
f = 12

Simplifying
f = 12

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