45r-4r=45-4r

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Solution for 45r-4r=45-4r equation: 


Simplifying
45r + -4r = 45 + -4r

Combine like terms: 45r + -4r = 41r
41r = 45 + -4r

Solving
41r = 45 + -4r

Solving for variable 'r'.

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

Add '4r' to each side of the equation.
41r + 4r = 45 + -4r + 4r

Combine like terms: 41r + 4r = 45r
45r = 45 + -4r + 4r

Combine like terms: -4r + 4r = 0
45r = 45 + 0
45r = 45

Divide each side by '45'.
r = 1

Simplifying
r = 1

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