-2-4(2r+4)=-82

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Solution for -2-4(2r+4)=-82 equation:


Simplifying
-2 + -4(2r + 4) = -82

Reorder the terms:
-2 + -4(4 + 2r) = -82
-2 + (4 * -4 + 2r * -4) = -82
-2 + (-16 + -8r) = -82

Combine like terms: -2 + -16 = -18
-18 + -8r = -82

Solving
-18 + -8r = -82

Solving for variable 'r'.

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

Add '18' to each side of the equation.
-18 + 18 + -8r = -82 + 18

Combine like terms: -18 + 18 = 0
0 + -8r = -82 + 18
-8r = -82 + 18

Combine like terms: -82 + 18 = -64
-8r = -64

Divide each side by '-8'.
r = 8

Simplifying
r = 8

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