8(-2b-4)-8(6b+2)=80

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Solution for 8(-2b-4)-8(6b+2)=80 equation:


Simplifying
8(-2b + -4) + -8(6b + 2) = 80

Reorder the terms:
8(-4 + -2b) + -8(6b + 2) = 80
(-4 * 8 + -2b * 8) + -8(6b + 2) = 80
(-32 + -16b) + -8(6b + 2) = 80

Reorder the terms:
-32 + -16b + -8(2 + 6b) = 80
-32 + -16b + (2 * -8 + 6b * -8) = 80
-32 + -16b + (-16 + -48b) = 80

Reorder the terms:
-32 + -16 + -16b + -48b = 80

Combine like terms: -32 + -16 = -48
-48 + -16b + -48b = 80

Combine like terms: -16b + -48b = -64b
-48 + -64b = 80

Solving
-48 + -64b = 80

Solving for variable 'b'.

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

Add '48' to each side of the equation.
-48 + 48 + -64b = 80 + 48

Combine like terms: -48 + 48 = 0
0 + -64b = 80 + 48
-64b = 80 + 48

Combine like terms: 80 + 48 = 128
-64b = 128

Divide each side by '-64'.
b = -2

Simplifying
b = -2

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