-4(r+3)=0

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Solution for -4(r+3)=0 equation: 


Simplifying
-4(r + 3) = 0

Reorder the terms:
-4(3 + r) = 0
(3 * -4 + r * -4) = 0
(-12 + -4r) = 0

Solving
-12 + -4r = 0

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 + -4r = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -4r = 0 + 12
-4r = 0 + 12

Combine like terms: 0 + 12 = 12
-4r = 12

Divide each side by '-4'.
r = -3

Simplifying
r = -3

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