9r-2=4r+9

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Solution for 9r-2=4r+9 equation:


Simplifying
9r + -2 = 4r + 9

Reorder the terms:
-2 + 9r = 4r + 9

Reorder the terms:
-2 + 9r = 9 + 4r

Solving
-2 + 9r = 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.
-2 + 9r + -4r = 9 + 4r + -4r

Combine like terms: 9r + -4r = 5r
-2 + 5r = 9 + 4r + -4r

Combine like terms: 4r + -4r = 0
-2 + 5r = 9 + 0
-2 + 5r = 9

Add '2' to each side of the equation.
-2 + 2 + 5r = 9 + 2

Combine like terms: -2 + 2 = 0
0 + 5r = 9 + 2
5r = 9 + 2

Combine like terms: 9 + 2 = 11
5r = 11

Divide each side by '5'.
r = 2.2

Simplifying
r = 2.2

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