4-5r=64

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Solution for 4-5r=64 equation: 


Simplifying
4 + -5r = 64

Solving
4 + -5r = 64

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + -5r = 64 + -4

Combine like terms: 4 + -4 = 0
0 + -5r = 64 + -4
-5r = 64 + -4

Combine like terms: 64 + -4 = 60
-5r = 60

Divide each side by '-5'.
r = -12

Simplifying
r = -12

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