52=r(13)

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Solution for 52=r(13) equation:


Simplifying
52 = r(13)

Reorder the terms for easier multiplication:
52 = 13r

Solving
52 = 13r

Solving for variable 'r'.

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

Add '-13r' to each side of the equation.
52 + -13r = 13r + -13r

Combine like terms: 13r + -13r = 0
52 + -13r = 0

Add '-52' to each side of the equation.
52 + -52 + -13r = 0 + -52

Combine like terms: 52 + -52 = 0
0 + -13r = 0 + -52
-13r = 0 + -52

Combine like terms: 0 + -52 = -52
-13r = -52

Divide each side by '-13'.
r = 4

Simplifying
r = 4

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