512=r+8

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Solution for 512=r+8 equation:


Simplifying
512 = r + 8

Reorder the terms:
512 = 8 + r

Solving
512 = 8 + 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.
512 + -1r = 8 + r + -1r

Combine like terms: r + -1r = 0
512 + -1r = 8 + 0
512 + -1r = 8

Add '-512' to each side of the equation.
512 + -512 + -1r = 8 + -512

Combine like terms: 512 + -512 = 0
0 + -1r = 8 + -512
-1r = 8 + -512

Combine like terms: 8 + -512 = -504
-1r = -504

Divide each side by '-1'.
r = 504

Simplifying
r = 504

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