3(f-12)=18

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Solution for 3(f-12)=18 equation:


Simplifying
3(f + -12) = 18

Reorder the terms:
3(-12 + f) = 18
(-12 * 3 + f * 3) = 18
(-36 + 3f) = 18

Solving
-36 + 3f = 18

Solving for variable 'f'.

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

Add '36' to each side of the equation.
-36 + 36 + 3f = 18 + 36

Combine like terms: -36 + 36 = 0
0 + 3f = 18 + 36
3f = 18 + 36

Combine like terms: 18 + 36 = 54
3f = 54

Divide each side by '3'.
f = 18

Simplifying
f = 18

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