(a)r-32=77

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Solution for (a)r-32=77 equation: 


Simplifying
(a) * r + -32 = 77

Multiply a * r
ar + -32 = 77

Reorder the terms:
-32 + ar = 77

Solving
-32 + ar = 77

Solving for variable 'a'.

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

Add '32' to each side of the equation.
-32 + 32 + ar = 77 + 32

Combine like terms: -32 + 32 = 0
0 + ar = 77 + 32
ar = 77 + 32

Combine like terms: 77 + 32 = 109
ar = 109

Divide each side by 'r'.
a = 109r-1

Simplifying
a = 109r-1

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