(8b-4r)-(2b-r)=

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


Simplifying
(8b + -4r) + -1(2b + -1r) = 0

Remove parenthesis around (8b + -4r)
8b + -4r + -1(2b + -1r) = 0
8b + -4r + (2b * -1 + -1r * -1) = 0
8b + -4r + (-2b + 1r) = 0

Reorder the terms:
8b + -2b + -4r + 1r = 0

Combine like terms: 8b + -2b = 6b
6b + -4r + 1r = 0

Combine like terms: -4r + 1r = -3r
6b + -3r = 0

Solving
6b + -3r = 0

Solving for variable 'b'.

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

Add '3r' to each side of the equation.
6b + -3r + 3r = 0 + 3r

Combine like terms: -3r + 3r = 0
6b + 0 = 0 + 3r
6b = 0 + 3r
Remove the zero:
6b = 3r

Divide each side by '6'.
b = 0.5r

Simplifying
b = 0.5r

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