18=-3(23-b)+2(b-4)

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Solution for 18=-3(23-b)+2(b-4) equation:


Simplifying
18 = -3(23 + -1b) + 2(b + -4)
18 = (23 * -3 + -1b * -3) + 2(b + -4)
18 = (-69 + 3b) + 2(b + -4)

Reorder the terms:
18 = -69 + 3b + 2(-4 + b)
18 = -69 + 3b + (-4 * 2 + b * 2)
18 = -69 + 3b + (-8 + 2b)

Reorder the terms:
18 = -69 + -8 + 3b + 2b

Combine like terms: -69 + -8 = -77
18 = -77 + 3b + 2b

Combine like terms: 3b + 2b = 5b
18 = -77 + 5b

Solving
18 = -77 + 5b

Solving for variable 'b'.

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

Add '-5b' to each side of the equation.
18 + -5b = -77 + 5b + -5b

Combine like terms: 5b + -5b = 0
18 + -5b = -77 + 0
18 + -5b = -77

Add '-18' to each side of the equation.
18 + -18 + -5b = -77 + -18

Combine like terms: 18 + -18 = 0
0 + -5b = -77 + -18
-5b = -77 + -18

Combine like terms: -77 + -18 = -95
-5b = -95

Divide each side by '-5'.
b = 19

Simplifying
b = 19

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