-4r=5r+9

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


Simplifying
-4r = 5r + 9

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

Solving
-4r = 9 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
-4r + -5r = 9 + 5r + -5r

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

Combine like terms: 5r + -5r = 0
-9r = 9 + 0
-9r = 9

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

Simplifying
r = -1

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