b+39=4-(-5b+7)

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Solution for b+39=4-(-5b+7) equation:


Simplifying
b + 39 = 4 + -1(-5b + 7)

Reorder the terms:
39 + b = 4 + -1(-5b + 7)

Reorder the terms:
39 + b = 4 + -1(7 + -5b)
39 + b = 4 + (7 * -1 + -5b * -1)
39 + b = 4 + (-7 + 5b)

Combine like terms: 4 + -7 = -3
39 + b = -3 + 5b

Solving
39 + b = -3 + 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.
39 + b + -5b = -3 + 5b + -5b

Combine like terms: b + -5b = -4b
39 + -4b = -3 + 5b + -5b

Combine like terms: 5b + -5b = 0
39 + -4b = -3 + 0
39 + -4b = -3

Add '-39' to each side of the equation.
39 + -39 + -4b = -3 + -39

Combine like terms: 39 + -39 = 0
0 + -4b = -3 + -39
-4b = -3 + -39

Combine like terms: -3 + -39 = -42
-4b = -42

Divide each side by '-4'.
b = 10.5

Simplifying
b = 10.5

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