3(f+3)-2(f-6)=12

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Solution for 3(f+3)-2(f-6)=12 equation:


Simplifying
3(f + 3) + -2(f + -6) = 12

Reorder the terms:
3(3 + f) + -2(f + -6) = 12
(3 * 3 + f * 3) + -2(f + -6) = 12
(9 + 3f) + -2(f + -6) = 12

Reorder the terms:
9 + 3f + -2(-6 + f) = 12
9 + 3f + (-6 * -2 + f * -2) = 12
9 + 3f + (12 + -2f) = 12

Reorder the terms:
9 + 12 + 3f + -2f = 12

Combine like terms: 9 + 12 = 21
21 + 3f + -2f = 12

Combine like terms: 3f + -2f = 1f
21 + 1f = 12

Solving
21 + 1f = 12

Solving for variable 'f'.

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

Add '-21' to each side of the equation.
21 + -21 + 1f = 12 + -21

Combine like terms: 21 + -21 = 0
0 + 1f = 12 + -21
1f = 12 + -21

Combine like terms: 12 + -21 = -9
1f = -9

Divide each side by '1'.
f = -9

Simplifying
f = -9

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