1+2r-7-7r=

Solution for 1+2r-7-7r= equation:

Simplifying
1 + 2r + -7 + -7r = 0

Reorder the terms:
1 + -7 + 2r + -7r = 0

Combine like terms: 1 + -7 = -6
-6 + 2r + -7r = 0

Combine like terms: 2r + -7r = -5r
-6 + -5r = 0

Solving
-6 + -5r = 0

Solving for variable 'r'.

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

Add '6' to each side of the equation.
-6 + 6 + -5r = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -5r = 0 + 6
-5r = 0 + 6

Combine like terms: 0 + 6 = 6
-5r = 6

Divide each side by '-5'.
r = -1.2

Simplifying
r = -1.2