4(r-12)=

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Solution for 4(r-12)= equation: 


Simplifying
4(r + -12) = 0

Reorder the terms:
4(-12 + r) = 0
(-12 * 4 + r * 4) = 0
(-48 + 4r) = 0

Solving
-48 + 4r = 0

Solving for variable 'r'.

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

Add '48' to each side of the equation.
-48 + 48 + 4r = 0 + 48

Combine like terms: -48 + 48 = 0
0 + 4r = 0 + 48
4r = 0 + 48

Combine like terms: 0 + 48 = 48
4r = 48

Divide each side by '4'.
r = 12

Simplifying
r = 12

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