4f+9=2f+15

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Solution for 4f+9=2f+15 equation:


Simplifying
4f + 9 = 2f + 15

Reorder the terms:
9 + 4f = 2f + 15

Reorder the terms:
9 + 4f = 15 + 2f

Solving
9 + 4f = 15 + 2f

Solving for variable 'f'.

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

Add '-2f' to each side of the equation.
9 + 4f + -2f = 15 + 2f + -2f

Combine like terms: 4f + -2f = 2f
9 + 2f = 15 + 2f + -2f

Combine like terms: 2f + -2f = 0
9 + 2f = 15 + 0
9 + 2f = 15

Add '-9' to each side of the equation.
9 + -9 + 2f = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 2f = 15 + -9
2f = 15 + -9

Combine like terms: 15 + -9 = 6
2f = 6

Divide each side by '2'.
f = 3

Simplifying
f = 3

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