3(r-4)=3

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Solution for 3(r-4)=3 equation: 


Simplifying
3(r + -4) = 3

Reorder the terms:
3(-4 + r) = 3
(-4 * 3 + r * 3) = 3
(-12 + 3r) = 3

Solving
-12 + 3r = 3

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 = 3 + 12

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

Combine like terms: 3 + 12 = 15
3r = 15

Divide each side by '3'.
r = 5

Simplifying
r = 5

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