2-(r+5)=10

Solution for 2-(r+5)=10 equation:

Simplifying
2 + -1(r + 5) = 10

Reorder the terms:
2 + -1(5 + r) = 10
2 + (5 * -1 + r * -1) = 10
2 + (-5 + -1r) = 10

Combine like terms: 2 + -5 = -3
-3 + -1r = 10

Solving
-3 + -1r = 10

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + -1r = 10 + 3

Combine like terms: -3 + 3 = 0
0 + -1r = 10 + 3
-1r = 10 + 3

Combine like terms: 10 + 3 = 13
-1r = 13

Divide each side by '-1'.
r = -13

Simplifying
r = -13