18=-(5b-4)-2(3b+4)

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Solution for 18=-(5b-4)-2(3b+4) equation: 


Simplifying
18 = -1(5b + -4) + -2(3b + 4)

Reorder the terms:
18 = -1(-4 + 5b) + -2(3b + 4)
18 = (-4 * -1 + 5b * -1) + -2(3b + 4)
18 = (4 + -5b) + -2(3b + 4)

Reorder the terms:
18 = 4 + -5b + -2(4 + 3b)
18 = 4 + -5b + (4 * -2 + 3b * -2)
18 = 4 + -5b + (-8 + -6b)

Reorder the terms:
18 = 4 + -8 + -5b + -6b

Combine like terms: 4 + -8 = -4
18 = -4 + -5b + -6b

Combine like terms: -5b + -6b = -11b
18 = -4 + -11b

Solving
18 = -4 + -11b

Solving for variable 'b'.

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

Add '11b' to each side of the equation.
18 + 11b = -4 + -11b + 11b

Combine like terms: -11b + 11b = 0
18 + 11b = -4 + 0
18 + 11b = -4

Add '-18' to each side of the equation.
18 + -18 + 11b = -4 + -18

Combine like terms: 18 + -18 = 0
0 + 11b = -4 + -18
11b = -4 + -18

Combine like terms: -4 + -18 = -22
11b = -22

Divide each side by '11'.
b = -2

Simplifying
b = -2

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