2(r+2)-r=-2+8

Solution for 2(r+2)-r=-2+8 equation:

Simplifying
2(r + 2) + -1r = -2 + 8

Reorder the terms:
2(2 + r) + -1r = -2 + 8
(2 * 2 + r * 2) + -1r = -2 + 8
(4 + 2r) + -1r = -2 + 8

Combine like terms: 2r + -1r = 1r
4 + 1r = -2 + 8

Combine like terms: -2 + 8 = 6
4 + 1r = 6

Solving
4 + 1r = 6

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 1r = 6 + -4

Combine like terms: 4 + -4 = 0
0 + 1r = 6 + -4
1r = 6 + -4

Combine like terms: 6 + -4 = 2
1r = 2

Divide each side by '1'.
r = 2

Simplifying
r = 2