5+2(b+8)=5(b-3)

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Solution for 5+2(b+8)=5(b-3) equation:


Simplifying
5 + 2(b + 8) = 5(b + -3)

Reorder the terms:
5 + 2(8 + b) = 5(b + -3)
5 + (8 * 2 + b * 2) = 5(b + -3)
5 + (16 + 2b) = 5(b + -3)

Combine like terms: 5 + 16 = 21
21 + 2b = 5(b + -3)

Reorder the terms:
21 + 2b = 5(-3 + b)
21 + 2b = (-3 * 5 + b * 5)
21 + 2b = (-15 + 5b)

Solving
21 + 2b = -15 + 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.
21 + 2b + -5b = -15 + 5b + -5b

Combine like terms: 2b + -5b = -3b
21 + -3b = -15 + 5b + -5b

Combine like terms: 5b + -5b = 0
21 + -3b = -15 + 0
21 + -3b = -15

Add '-21' to each side of the equation.
21 + -21 + -3b = -15 + -21

Combine like terms: 21 + -21 = 0
0 + -3b = -15 + -21
-3b = -15 + -21

Combine like terms: -15 + -21 = -36
-3b = -36

Divide each side by '-3'.
b = 12

Simplifying
b = 12

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