4f+9=8f-5

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Solution for 4f+9=8f-5 equation:


Simplifying
4f + 9 = 8f + -5

Reorder the terms:
9 + 4f = 8f + -5

Reorder the terms:
9 + 4f = -5 + 8f

Solving
9 + 4f = -5 + 8f

Solving for variable 'f'.

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

Add '-8f' to each side of the equation.
9 + 4f + -8f = -5 + 8f + -8f

Combine like terms: 4f + -8f = -4f
9 + -4f = -5 + 8f + -8f

Combine like terms: 8f + -8f = 0
9 + -4f = -5 + 0
9 + -4f = -5

Add '-9' to each side of the equation.
9 + -9 + -4f = -5 + -9

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

Combine like terms: -5 + -9 = -14
-4f = -14

Divide each side by '-4'.
f = 3.5

Simplifying
f = 3.5

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