3r+12=24

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Solution for 3r+12=24 equation: 


Simplifying
3r + 12 = 24

Reorder the terms:
12 + 3r = 24

Solving
12 + 3r = 24

Solving for variable 'r'.

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

Add '-12' to each side of the equation.
12 + -12 + 3r = 24 + -12

Combine like terms: 12 + -12 = 0
0 + 3r = 24 + -12
3r = 24 + -12

Combine like terms: 24 + -12 = 12
3r = 12

Divide each side by '3'.
r = 4

Simplifying
r = 4

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