-f+19=-7f-17+15f

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Solution for -f+19=-7f-17+15f equation:


Simplifying
-1f + 19 = -7f + -17 + 15f

Reorder the terms:
19 + -1f = -7f + -17 + 15f

Reorder the terms:
19 + -1f = -17 + -7f + 15f

Combine like terms: -7f + 15f = 8f
19 + -1f = -17 + 8f

Solving
19 + -1f = -17 + 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.
19 + -1f + -8f = -17 + 8f + -8f

Combine like terms: -1f + -8f = -9f
19 + -9f = -17 + 8f + -8f

Combine like terms: 8f + -8f = 0
19 + -9f = -17 + 0
19 + -9f = -17

Add '-19' to each side of the equation.
19 + -19 + -9f = -17 + -19

Combine like terms: 19 + -19 = 0
0 + -9f = -17 + -19
-9f = -17 + -19

Combine like terms: -17 + -19 = -36
-9f = -36

Divide each side by '-9'.
f = 4

Simplifying
f = 4

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