12(f-10)=4(f-5)

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Solution for 12(f-10)=4(f-5) equation:


Simplifying
12(f + -10) = 4(f + -5)

Reorder the terms:
12(-10 + f) = 4(f + -5)
(-10 * 12 + f * 12) = 4(f + -5)
(-120 + 12f) = 4(f + -5)

Reorder the terms:
-120 + 12f = 4(-5 + f)
-120 + 12f = (-5 * 4 + f * 4)
-120 + 12f = (-20 + 4f)

Solving
-120 + 12f = -20 + 4f

Solving for variable 'f'.

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

Add '-4f' to each side of the equation.
-120 + 12f + -4f = -20 + 4f + -4f

Combine like terms: 12f + -4f = 8f
-120 + 8f = -20 + 4f + -4f

Combine like terms: 4f + -4f = 0
-120 + 8f = -20 + 0
-120 + 8f = -20

Add '120' to each side of the equation.
-120 + 120 + 8f = -20 + 120

Combine like terms: -120 + 120 = 0
0 + 8f = -20 + 120
8f = -20 + 120

Combine like terms: -20 + 120 = 100
8f = 100

Divide each side by '8'.
f = 12.5

Simplifying
f = 12.5

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