8f-21=-21f+19

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Solution for 8f-21=-21f+19 equation:


Simplifying
8f + -21 = -21f + 19

Reorder the terms:
-21 + 8f = -21f + 19

Reorder the terms:
-21 + 8f = 19 + -21f

Solving
-21 + 8f = 19 + -21f

Solving for variable 'f'.

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

Add '21f' to each side of the equation.
-21 + 8f + 21f = 19 + -21f + 21f

Combine like terms: 8f + 21f = 29f
-21 + 29f = 19 + -21f + 21f

Combine like terms: -21f + 21f = 0
-21 + 29f = 19 + 0
-21 + 29f = 19

Add '21' to each side of the equation.
-21 + 21 + 29f = 19 + 21

Combine like terms: -21 + 21 = 0
0 + 29f = 19 + 21
29f = 19 + 21

Combine like terms: 19 + 21 = 40
29f = 40

Divide each side by '29'.
f = 1.379310345

Simplifying
f = 1.379310345

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