3(2r-4)-8r=

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Solution for 3(2r-4)-8r= equation:


Simplifying
3(2r + -4) + -8r = 0

Reorder the terms:
3(-4 + 2r) + -8r = 0
(-4 * 3 + 2r * 3) + -8r = 0
(-12 + 6r) + -8r = 0

Combine like terms: 6r + -8r = -2r
-12 + -2r = 0

Solving
-12 + -2r = 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 + -2r = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -2r = 0 + 12
-2r = 0 + 12

Combine like terms: 0 + 12 = 12
-2r = 12

Divide each side by '-2'.
r = -6

Simplifying
r = -6

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