6(7+5f)=-21

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Solution for 6(7+5f)=-21 equation: 


Simplifying
6(7 + 5f) = -21
(7 * 6 + 5f * 6) = -21
(42 + 30f) = -21

Solving
42 + 30f = -21

Solving for variable 'f'.

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

Add '-42' to each side of the equation.
42 + -42 + 30f = -21 + -42

Combine like terms: 42 + -42 = 0
0 + 30f = -21 + -42
30f = -21 + -42

Combine like terms: -21 + -42 = -63
30f = -63

Divide each side by '30'.
f = -2.1

Simplifying
f = -2.1

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