9+2[b-4(b-2)]=

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Solution for 9+2[b-4(b-2)]= equation:


Simplifying
9 + 2[b + -4(b + -2)] = 0

Reorder the terms:
9 + 2[b + -4(-2 + b)] = 0
9 + 2[b + (-2 * -4 + b * -4)] = 0
9 + 2[b + (8 + -4b)] = 0

Reorder the terms:
9 + 2[8 + b + -4b] = 0

Combine like terms: b + -4b = -3b
9 + 2[8 + -3b] = 0
9 + [8 * 2 + -3b * 2] = 0
9 + [16 + -6b] = 0

Combine like terms: 9 + 16 = 25
25 + -6b = 0

Solving
25 + -6b = 0

Solving for variable 'b'.

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

Add '-25' to each side of the equation.
25 + -25 + -6b = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -6b = 0 + -25
-6b = 0 + -25

Combine like terms: 0 + -25 = -25
-6b = -25

Divide each side by '-6'.
b = 4.166666667

Simplifying
b = 4.166666667

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