2f+9=3f-15

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Solution for 2f+9=3f-15 equation:


Simplifying
2f + 9 = 3f + -15

Reorder the terms:
9 + 2f = 3f + -15

Reorder the terms:
9 + 2f = -15 + 3f

Solving
9 + 2f = -15 + 3f

Solving for variable 'f'.

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

Add '-3f' to each side of the equation.
9 + 2f + -3f = -15 + 3f + -3f

Combine like terms: 2f + -3f = -1f
9 + -1f = -15 + 3f + -3f

Combine like terms: 3f + -3f = 0
9 + -1f = -15 + 0
9 + -1f = -15

Add '-9' to each side of the equation.
9 + -9 + -1f = -15 + -9

Combine like terms: 9 + -9 = 0
0 + -1f = -15 + -9
-1f = -15 + -9

Combine like terms: -15 + -9 = -24
-1f = -24

Divide each side by '-1'.
f = 24

Simplifying
f = 24

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