15=2(b+4)+3

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Solution for 15=2(b+4)+3 equation:


Simplifying
15 = 2(b + 4) + 3

Reorder the terms:
15 = 2(4 + b) + 3
15 = (4 * 2 + b * 2) + 3
15 = (8 + 2b) + 3

Reorder the terms:
15 = 8 + 3 + 2b

Combine like terms: 8 + 3 = 11
15 = 11 + 2b

Solving
15 = 11 + 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.
15 + -2b = 11 + 2b + -2b

Combine like terms: 2b + -2b = 0
15 + -2b = 11 + 0
15 + -2b = 11

Add '-15' to each side of the equation.
15 + -15 + -2b = 11 + -15

Combine like terms: 15 + -15 = 0
0 + -2b = 11 + -15
-2b = 11 + -15

Combine like terms: 11 + -15 = -4
-2b = -4

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

Simplifying
b = 2

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