9r-11=-1+4r

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Solution for 9r-11=-1+4r equation:


Simplifying
9r + -11 = -1 + 4r

Reorder the terms:
-11 + 9r = -1 + 4r

Solving
-11 + 9r = -1 + 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.
-11 + 9r + -4r = -1 + 4r + -4r

Combine like terms: 9r + -4r = 5r
-11 + 5r = -1 + 4r + -4r

Combine like terms: 4r + -4r = 0
-11 + 5r = -1 + 0
-11 + 5r = -1

Add '11' to each side of the equation.
-11 + 11 + 5r = -1 + 11

Combine like terms: -11 + 11 = 0
0 + 5r = -1 + 11
5r = -1 + 11

Combine like terms: -1 + 11 = 10
5r = 10

Divide each side by '5'.
r = 2

Simplifying
r = 2

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