-4.2(f-3)+6.2f=8

Solution for -4.2(f-3)+6.2f=8 equation:

Simplifying
-4.2(f + -3) + 6.2f = 8

Reorder the terms:
-4.2(-3 + f) + 6.2f = 8
(-3 * -4.2 + f * -4.2) + 6.2f = 8
(12.6 + -4.2f) + 6.2f = 8

Combine like terms: -4.2f + 6.2f = 2f
12.6 + 2f = 8

Solving
12.6 + 2f = 8

Solving for variable 'f'.

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

Add '-12.6' to each side of the equation.
12.6 + -12.6 + 2f = 8 + -12.6

Combine like terms: 12.6 + -12.6 = 0.0
0.0 + 2f = 8 + -12.6
2f = 8 + -12.6

Combine like terms: 8 + -12.6 = -4.6
2f = -4.6

Divide each side by '2'.
f = -2.3

Simplifying
f = -2.3