(3f-9)+(-7f+4)=

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Solution for (3f-9)+(-7f+4)= equation:


Simplifying
(3f + -9) + (-7f + 4) = 0

Reorder the terms:
(-9 + 3f) + (-7f + 4) = 0

Remove parenthesis around (-9 + 3f)
-9 + 3f + (-7f + 4) = 0

Reorder the terms:
-9 + 3f + (4 + -7f) = 0

Remove parenthesis around (4 + -7f)
-9 + 3f + 4 + -7f = 0

Reorder the terms:
-9 + 4 + 3f + -7f = 0

Combine like terms: -9 + 4 = -5
-5 + 3f + -7f = 0

Combine like terms: 3f + -7f = -4f
-5 + -4f = 0

Solving
-5 + -4f = 0

Solving for variable 'f'.

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

Add '5' to each side of the equation.
-5 + 5 + -4f = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -4f = 0 + 5
-4f = 0 + 5

Combine like terms: 0 + 5 = 5
-4f = 5

Divide each side by '-4'.
f = -1.25

Simplifying
f = -1.25

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