-4.2+4.4-(3f+0.9)+2.2f=

Solution for -4.2+4.4-(3f+0.9)+2.2f= equation:

Simplifying
-4.2 + 4.4 + -1(3f + 0.9) + 2.2f = 0

Reorder the terms:
-4.2 + 4.4 + -1(0.9 + 3f) + 2.2f = 0
-4.2 + 4.4 + (0.9 * -1 + 3f * -1) + 2.2f = 0
-4.2 + 4.4 + (-0.9 + -3f) + 2.2f = 0

Combine like terms: -4.2 + 4.4 = 0.2
0.2 + -0.9 + -3f + 2.2f = 0

Combine like terms: 0.2 + -0.9 = -0.7
-0.7 + -3f + 2.2f = 0

Combine like terms: -3f + 2.2f = -0.8f
-0.7 + -0.8f = 0

Solving
-0.7 + -0.8f = 0

Solving for variable 'f'.

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

Add '0.7' to each side of the equation.
-0.7 + 0.7 + -0.8f = 0 + 0.7

Combine like terms: -0.7 + 0.7 = 0.0
0.0 + -0.8f = 0 + 0.7
-0.8f = 0 + 0.7

Combine like terms: 0 + 0.7 = 0.7
-0.8f = 0.7

Divide each side by '-0.8'.
f = -0.875

Simplifying
f = -0.875