-3[r-16]=-12

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Solution for -3[r-16]=-12 equation:


Simplifying
-3[r + -16] = -12

Reorder the terms:
-3[-16 + r] = -12
[-16 * -3 + r * -3] = -12
[48 + -3r] = -12

Solving
48 + -3r = -12

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 + -3r = -12 + -48

Combine like terms: 48 + -48 = 0
0 + -3r = -12 + -48
-3r = -12 + -48

Combine like terms: -12 + -48 = -60
-3r = -60

Divide each side by '-3'.
r = 20

Simplifying
r = 20

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