21f-6f+4(6f-3)=

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Solution for 21f-6f+4(6f-3)= equation:


Simplifying
21f + -6f + 4(6f + -3) = 0

Reorder the terms:
21f + -6f + 4(-3 + 6f) = 0
21f + -6f + (-3 * 4 + 6f * 4) = 0
21f + -6f + (-12 + 24f) = 0

Reorder the terms:
-12 + 21f + -6f + 24f = 0

Combine like terms: 21f + -6f = 15f
-12 + 15f + 24f = 0

Combine like terms: 15f + 24f = 39f
-12 + 39f = 0

Solving
-12 + 39f = 0

Solving for variable 'f'.

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

Add '12' to each side of the equation.
-12 + 12 + 39f = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 39f = 0 + 12
39f = 0 + 12

Combine like terms: 0 + 12 = 12
39f = 12

Divide each side by '39'.
f = 0.3076923077

Simplifying
f = 0.3076923077

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