3-1(2b+1)=13+2b

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Solution for 3-1(2b+1)=13+2b equation: 


Simplifying
3 + -1(2b + 1) = 13 + 2b

Reorder the terms:
3 + -1(1 + 2b) = 13 + 2b
3 + (1 * -1 + 2b * -1) = 13 + 2b
3 + (-1 + -2b) = 13 + 2b

Combine like terms: 3 + -1 = 2
2 + -2b = 13 + 2b

Solving
2 + -2b = 13 + 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.
2 + -2b + -2b = 13 + 2b + -2b

Combine like terms: -2b + -2b = -4b
2 + -4b = 13 + 2b + -2b

Combine like terms: 2b + -2b = 0
2 + -4b = 13 + 0
2 + -4b = 13

Add '-2' to each side of the equation.
2 + -2 + -4b = 13 + -2

Combine like terms: 2 + -2 = 0
0 + -4b = 13 + -2
-4b = 13 + -2

Combine like terms: 13 + -2 = 11
-4b = 11

Divide each side by '-4'.
b = -2.75

Simplifying
b = -2.75

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