18=-2(b+4)

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


Simplifying
18 = -2(b + 4)

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

Solving
18 = -8 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
18 + 2b = -8 + -2b + 2b

Combine like terms: -2b + 2b = 0
18 + 2b = -8 + 0
18 + 2b = -8

Add '-18' to each side of the equation.
18 + -18 + 2b = -8 + -18

Combine like terms: 18 + -18 = 0
0 + 2b = -8 + -18
2b = -8 + -18

Combine like terms: -8 + -18 = -26
2b = -26

Divide each side by '2'.
b = -13

Simplifying
b = -13

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