2-8=r-4

Solution for 2-8=r-4 equation:

Simplifying
2 + -8 = r + -4

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

Reorder the terms:
-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