4r-8+7-6f=-9

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Solution for 4r-8+7-6f=-9 equation:


Simplifying
4r + -8 + 7 + -6f = -9

Reorder the terms:
-8 + 7 + -6f + 4r = -9

Combine like terms: -8 + 7 = -1
-1 + -6f + 4r = -9

Solving
-1 + -6f + 4r = -9

Solving for variable 'f'.

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

Add '1' to each side of the equation.
-1 + -6f + 1 + 4r = -9 + 1

Reorder the terms:
-1 + 1 + -6f + 4r = -9 + 1

Combine like terms: -1 + 1 = 0
0 + -6f + 4r = -9 + 1
-6f + 4r = -9 + 1

Combine like terms: -9 + 1 = -8
-6f + 4r = -8

Add '-4r' to each side of the equation.
-6f + 4r + -4r = -8 + -4r

Combine like terms: 4r + -4r = 0
-6f + 0 = -8 + -4r
-6f = -8 + -4r

Divide each side by '-6'.
f = 1.333333333 + 0.6666666667r

Simplifying
f = 1.333333333 + 0.6666666667r

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