10-3f=2(f-20)

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Solution for 10-3f=2(f-20) equation: 


Simplifying
10 + -3f = 2(f + -20)

Reorder the terms:
10 + -3f = 2(-20 + f)
10 + -3f = (-20 * 2 + f * 2)
10 + -3f = (-40 + 2f)

Solving
10 + -3f = -40 + 2f

Solving for variable 'f'.

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

Add '-2f' to each side of the equation.
10 + -3f + -2f = -40 + 2f + -2f

Combine like terms: -3f + -2f = -5f
10 + -5f = -40 + 2f + -2f

Combine like terms: 2f + -2f = 0
10 + -5f = -40 + 0
10 + -5f = -40

Add '-10' to each side of the equation.
10 + -10 + -5f = -40 + -10

Combine like terms: 10 + -10 = 0
0 + -5f = -40 + -10
-5f = -40 + -10

Combine like terms: -40 + -10 = -50
-5f = -50

Divide each side by '-5'.
f = 10

Simplifying
f = 10

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