2(5+b)=12

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Solution for 2(5+b)=12 equation: 


Simplifying
2(5 + b) = 12
(5 * 2 + b * 2) = 12
(10 + 2b) = 12

Solving
10 + 2b = 12

Solving for variable 'b'.

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

Add '-10' to each side of the equation.
10 + -10 + 2b = 12 + -10

Combine like terms: 10 + -10 = 0
0 + 2b = 12 + -10
2b = 12 + -10

Combine like terms: 12 + -10 = 2
2b = 2

Divide each side by '2'.
b = 1

Simplifying
b = 1

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