12=r-65

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Solution for 12=r-65 equation:


Simplifying
12 = r + -65

Reorder the terms:
12 = -65 + r

Solving
12 = -65 + 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.
12 + -1r = -65 + r + -1r

Combine like terms: r + -1r = 0
12 + -1r = -65 + 0
12 + -1r = -65

Add '-12' to each side of the equation.
12 + -12 + -1r = -65 + -12

Combine like terms: 12 + -12 = 0
0 + -1r = -65 + -12
-1r = -65 + -12

Combine like terms: -65 + -12 = -77
-1r = -77

Divide each side by '-1'.
r = 77

Simplifying
r = 77

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