-f+2-3f=21+6f

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Solution for -f+2-3f=21+6f equation:


Simplifying
-1f + 2 + -3f = 21 + 6f

Reorder the terms:
2 + -1f + -3f = 21 + 6f

Combine like terms: -1f + -3f = -4f
2 + -4f = 21 + 6f

Solving
2 + -4f = 21 + 6f

Solving for variable 'f'.

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

Add '-6f' to each side of the equation.
2 + -4f + -6f = 21 + 6f + -6f

Combine like terms: -4f + -6f = -10f
2 + -10f = 21 + 6f + -6f

Combine like terms: 6f + -6f = 0
2 + -10f = 21 + 0
2 + -10f = 21

Add '-2' to each side of the equation.
2 + -2 + -10f = 21 + -2

Combine like terms: 2 + -2 = 0
0 + -10f = 21 + -2
-10f = 21 + -2

Combine like terms: 21 + -2 = 19
-10f = 19

Divide each side by '-10'.
f = -1.9

Simplifying
f = -1.9

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