4+9r=23

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Solution for 4+9r=23 equation: 


Simplifying
4 + 9r = 23

Solving
4 + 9r = 23

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 9r = 23 + -4

Combine like terms: 4 + -4 = 0
0 + 9r = 23 + -4
9r = 23 + -4

Combine like terms: 23 + -4 = 19
9r = 19

Divide each side by '9'.
r = 2.111111111

Simplifying
r = 2.111111111

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