-3b-2(-8-4b)=30+3b

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Solution for -3b-2(-8-4b)=30+3b equation:


Simplifying
-3b + -2(-8 + -4b) = 30 + 3b
-3b + (-8 * -2 + -4b * -2) = 30 + 3b
-3b + (16 + 8b) = 30 + 3b

Reorder the terms:
16 + -3b + 8b = 30 + 3b

Combine like terms: -3b + 8b = 5b
16 + 5b = 30 + 3b

Solving
16 + 5b = 30 + 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
16 + 5b + -3b = 30 + 3b + -3b

Combine like terms: 5b + -3b = 2b
16 + 2b = 30 + 3b + -3b

Combine like terms: 3b + -3b = 0
16 + 2b = 30 + 0
16 + 2b = 30

Add '-16' to each side of the equation.
16 + -16 + 2b = 30 + -16

Combine like terms: 16 + -16 = 0
0 + 2b = 30 + -16
2b = 30 + -16

Combine like terms: 30 + -16 = 14
2b = 14

Divide each side by '2'.
b = 7

Simplifying
b = 7

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