64=r+31

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Solution for 64=r+31 equation:


Simplifying
64 = r + 31

Reorder the terms:
64 = 31 + r

Solving
64 = 31 + 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 = 31 + r + -1r

Combine like terms: r + -1r = 0
64 + -1r = 31 + 0
64 + -1r = 31

Add '-64' to each side of the equation.
64 + -64 + -1r = 31 + -64

Combine like terms: 64 + -64 = 0
0 + -1r = 31 + -64
-1r = 31 + -64

Combine like terms: 31 + -64 = -33
-1r = -33

Divide each side by '-1'.
r = 33

Simplifying
r = 33

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