4(b+1)=2(b-3.9)

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Solution for 4(b+1)=2(b-3.9) equation:


Simplifying
4(b + 1) = 2(b + -3.9)

Reorder the terms:
4(1 + b) = 2(b + -3.9)
(1 * 4 + b * 4) = 2(b + -3.9)
(4 + 4b) = 2(b + -3.9)

Reorder the terms:
4 + 4b = 2(-3.9 + b)
4 + 4b = (-3.9 * 2 + b * 2)
4 + 4b = (-7.8 + 2b)

Solving
4 + 4b = -7.8 + 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.
4 + 4b + -2b = -7.8 + 2b + -2b

Combine like terms: 4b + -2b = 2b
4 + 2b = -7.8 + 2b + -2b

Combine like terms: 2b + -2b = 0
4 + 2b = -7.8 + 0
4 + 2b = -7.8

Add '-4' to each side of the equation.
4 + -4 + 2b = -7.8 + -4

Combine like terms: 4 + -4 = 0
0 + 2b = -7.8 + -4
2b = -7.8 + -4

Combine like terms: -7.8 + -4 = -11.8
2b = -11.8

Divide each side by '2'.
b = -5.9

Simplifying
b = -5.9

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