-5r=4r+9

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Solution for -5r=4r+9 equation: 


Simplifying
-5r = 4r + 9

Reorder the terms:
-5r = 9 + 4r

Solving
-5r = 9 + 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.
-5r + -4r = 9 + 4r + -4r

Combine like terms: -5r + -4r = -9r
-9r = 9 + 4r + -4r

Combine like terms: 4r + -4r = 0
-9r = 9 + 0
-9r = 9

Divide each side by '-9'.
r = -1

Simplifying
r = -1

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