7f-3g=21

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Solution for 7f-3g=21 equation:


Simplifying
7f + -3g = 21

Solving
7f + -3g = 21

Solving for variable 'f'.

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

Add '3g' to each side of the equation.
7f + -3g + 3g = 21 + 3g

Combine like terms: -3g + 3g = 0
7f + 0 = 21 + 3g
7f = 21 + 3g

Divide each side by '7'.
f = 3 + 0.4285714286g

Simplifying
f = 3 + 0.4285714286g

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