8*8=r

Solution for 8*8=r equation:

Simplifying
8 * 8 = r

Multiply 8 * 8
64 = r

Solving
64 = 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.
64 + -1r = r + -1r

Combine like terms: r + -1r = 0
64 + -1r = 0

Add '-64' to each side of the equation.
64 + -64 + -1r = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -1r = 0 + -64
-1r = 0 + -64

Combine like terms: 0 + -64 = -64
-1r = -64

Divide each side by '-1'.
r = 64

Simplifying
r = 64