3-2b=-(b-7)

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Solution for 3-2b=-(b-7) equation:


Simplifying
3 + -2b = -1(b + -7)

Reorder the terms:
3 + -2b = -1(-7 + b)
3 + -2b = (-7 * -1 + b * -1)
3 + -2b = (7 + -1b)

Solving
3 + -2b = 7 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
3 + -2b + b = 7 + -1b + b

Combine like terms: -2b + b = -1b
3 + -1b = 7 + -1b + b

Combine like terms: -1b + b = 0
3 + -1b = 7 + 0
3 + -1b = 7

Add '-3' to each side of the equation.
3 + -3 + -1b = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -1b = 7 + -3
-1b = 7 + -3

Combine like terms: 7 + -3 = 4
-1b = 4

Divide each side by '-1'.
b = -4

Simplifying
b = -4

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