12r-6r-6r+2r-1=43

Solution for 12r-6r-6r+2r-1=43 equation:

Simplifying
12r + -6r + -6r + 2r + -1 = 43

Reorder the terms:
-1 + 12r + -6r + -6r + 2r = 43

Combine like terms: 12r + -6r = 6r
-1 + 6r + -6r + 2r = 43

Combine like terms: 6r + -6r = 0
-1 + 0 + 2r = 43
-1 + 2r = 43

Solving
-1 + 2r = 43

Solving for variable 'r'.

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

Add '1' to each side of the equation.
-1 + 1 + 2r = 43 + 1

Combine like terms: -1 + 1 = 0
0 + 2r = 43 + 1
2r = 43 + 1

Combine like terms: 43 + 1 = 44
2r = 44

Divide each side by '2'.
r = 22

Simplifying
r = 22