6=r+1+3

Solution for 6=r+1+3 equation:

Simplifying
6 = r + 1 + 3

Reorder the terms:
6 = 1 + 3 + r

Combine like terms: 1 + 3 = 4
6 = 4 + r

Solving
6 = 4 + r

Solving for variable 'r'.

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

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

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

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

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

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

Divide each side by '-1'.
r = 2

Simplifying
r = 2