9-(r+3)=5

Solution for 9-(r+3)=5 equation:

Simplifying
9 + -1(r + 3) = 5

Reorder the terms:
9 + -1(3 + r) = 5
9 + (3 * -1 + r * -1) = 5
9 + (-3 + -1r) = 5

Combine like terms: 9 + -3 = 6
6 + -1r = 5

Solving
6 + -1r = 5

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 + -1r = 5 + -6

Combine like terms: 6 + -6 = 0
0 + -1r = 5 + -6
-1r = 5 + -6

Combine like terms: 5 + -6 = -1
-1r = -1

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

Simplifying
r = 1