-2r-0.1+1.7r+0.7r-1=

Solution for -2r-0.1+1.7r+0.7r-1= equation:

Simplifying
-2r + -0.1 + 1.7r + 0.7r + -1 = 0

Reorder the terms:
-0.1 + -1 + -2r + 1.7r + 0.7r = 0

Combine like terms: -0.1 + -1 = -1.1
-1.1 + -2r + 1.7r + 0.7r = 0

Combine like terms: -2r + 1.7r = -0.3r
-1.1 + -0.3r + 0.7r = 0

Combine like terms: -0.3r + 0.7r = 0.4r
-1.1 + 0.4r = 0

Solving
-1.1 + 0.4r = 0

Solving for variable 'r'.

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

Add '1.1' to each side of the equation.
-1.1 + 1.1 + 0.4r = 0 + 1.1

Combine like terms: -1.1 + 1.1 = 0.0
0.0 + 0.4r = 0 + 1.1
0.4r = 0 + 1.1

Combine like terms: 0 + 1.1 = 1.1
0.4r = 1.1

Divide each side by '0.4'.
r = 2.75

Simplifying
r = 2.75