3=24-3r

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Solution for 3=24-3r equation:


Simplifying
3 = 24 + -3r

Solving
3 = 24 + -3r

Solving for variable 'r'.

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

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

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

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

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

Combine like terms: 24 + -3 = 21
3r = 21

Divide each side by '3'.
r = 7

Simplifying
r = 7

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