1+3f=4f+9

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Solution for 1+3f=4f+9 equation:


Simplifying
1 + 3f = 4f + 9

Reorder the terms:
1 + 3f = 9 + 4f

Solving
1 + 3f = 9 + 4f

Solving for variable 'f'.

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

Add '-4f' to each side of the equation.
1 + 3f + -4f = 9 + 4f + -4f

Combine like terms: 3f + -4f = -1f
1 + -1f = 9 + 4f + -4f

Combine like terms: 4f + -4f = 0
1 + -1f = 9 + 0
1 + -1f = 9

Add '-1' to each side of the equation.
1 + -1 + -1f = 9 + -1

Combine like terms: 1 + -1 = 0
0 + -1f = 9 + -1
-1f = 9 + -1

Combine like terms: 9 + -1 = 8
-1f = 8

Divide each side by '-1'.
f = -8

Simplifying
f = -8

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