3(2f+5)=8f+31

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Solution for 3(2f+5)=8f+31 equation:


Simplifying
3(2f + 5) = 8f + 31

Reorder the terms:
3(5 + 2f) = 8f + 31
(5 * 3 + 2f * 3) = 8f + 31
(15 + 6f) = 8f + 31

Reorder the terms:
15 + 6f = 31 + 8f

Solving
15 + 6f = 31 + 8f

Solving for variable 'f'.

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

Add '-8f' to each side of the equation.
15 + 6f + -8f = 31 + 8f + -8f

Combine like terms: 6f + -8f = -2f
15 + -2f = 31 + 8f + -8f

Combine like terms: 8f + -8f = 0
15 + -2f = 31 + 0
15 + -2f = 31

Add '-15' to each side of the equation.
15 + -15 + -2f = 31 + -15

Combine like terms: 15 + -15 = 0
0 + -2f = 31 + -15
-2f = 31 + -15

Combine like terms: 31 + -15 = 16
-2f = 16

Divide each side by '-2'.
f = -8

Simplifying
f = -8

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