2(b+9)=2(-b-3)

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Solution for 2(b+9)=2(-b-3) equation:


Simplifying
2(b + 9) = 2(-1b + -3)

Reorder the terms:
2(9 + b) = 2(-1b + -3)
(9 * 2 + b * 2) = 2(-1b + -3)
(18 + 2b) = 2(-1b + -3)

Reorder the terms:
18 + 2b = 2(-3 + -1b)
18 + 2b = (-3 * 2 + -1b * 2)
18 + 2b = (-6 + -2b)

Solving
18 + 2b = -6 + -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 + 2b = -6 + -2b + 2b

Combine like terms: 2b + 2b = 4b
18 + 4b = -6 + -2b + 2b

Combine like terms: -2b + 2b = 0
18 + 4b = -6 + 0
18 + 4b = -6

Add '-18' to each side of the equation.
18 + -18 + 4b = -6 + -18

Combine like terms: 18 + -18 = 0
0 + 4b = -6 + -18
4b = -6 + -18

Combine like terms: -6 + -18 = -24
4b = -24

Divide each side by '4'.
b = -6

Simplifying
b = -6

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