2.2r-1.2=-2.2-5.6

Solution for 2.2r-1.2=-2.2-5.6 equation:

Simplifying
2.2r + -1.2 = -2.2 + -5.6

Reorder the terms:
-1.2 + 2.2r = -2.2 + -5.6

Combine like terms: -2.2 + -5.6 = -7.8
-1.2 + 2.2r = -7.8

Solving
-1.2 + 2.2r = -7.8

Solving for variable 'r'.

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

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 2.2r = -7.8 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 2.2r = -7.8 + 1.2
2.2r = -7.8 + 1.2

Combine like terms: -7.8 + 1.2 = -6.6
2.2r = -6.6

Divide each side by '2.2'.
r = -3

Simplifying
r = -3