3r+9=48

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Solution for 3r+9=48 equation: 


Simplifying
3r + 9 = 48

Reorder the terms:
9 + 3r = 48

Solving
9 + 3r = 48

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + 3r = 48 + -9

Combine like terms: 9 + -9 = 0
0 + 3r = 48 + -9
3r = 48 + -9

Combine like terms: 48 + -9 = 39
3r = 39

Divide each side by '3'.
r = 13

Simplifying
r = 13

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