(3f+7)-(19+f)=

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Solution for (3f+7)-(19+f)= equation:


Simplifying
(3f + 7) + -1(19 + f) = 0

Reorder the terms:
(7 + 3f) + -1(19 + f) = 0

Remove parenthesis around (7 + 3f)
7 + 3f + -1(19 + f) = 0
7 + 3f + (19 * -1 + f * -1) = 0
7 + 3f + (-19 + -1f) = 0

Reorder the terms:
7 + -19 + 3f + -1f = 0

Combine like terms: 7 + -19 = -12
-12 + 3f + -1f = 0

Combine like terms: 3f + -1f = 2f
-12 + 2f = 0

Solving
-12 + 2f = 0

Solving for variable 'f'.

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

Add '12' to each side of the equation.
-12 + 12 + 2f = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 2f = 0 + 12
2f = 0 + 12

Combine like terms: 0 + 12 = 12
2f = 12

Divide each side by '2'.
f = 6

Simplifying
f = 6

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