19(f+9)=12

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Solution for 19(f+9)=12 equation:


Simplifying
19(f + 9) = 12

Reorder the terms:
19(9 + f) = 12
(9 * 19 + f * 19) = 12
(171 + 19f) = 12

Solving
171 + 19f = 12

Solving for variable 'f'.

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

Add '-171' to each side of the equation.
171 + -171 + 19f = 12 + -171

Combine like terms: 171 + -171 = 0
0 + 19f = 12 + -171
19f = 12 + -171

Combine like terms: 12 + -171 = -159
19f = -159

Divide each side by '19'.
f = -8.368421053

Simplifying
f = -8.368421053

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