12+2(1-7b)=-7(5-5b)

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Solution for 12+2(1-7b)=-7(5-5b) equation: 


Simplifying
12 + 2(1 + -7b) = -7(5 + -5b)
12 + (1 * 2 + -7b * 2) = -7(5 + -5b)
12 + (2 + -14b) = -7(5 + -5b)

Combine like terms: 12 + 2 = 14
14 + -14b = -7(5 + -5b)
14 + -14b = (5 * -7 + -5b * -7)
14 + -14b = (-35 + 35b)

Solving
14 + -14b = -35 + 35b

Solving for variable 'b'.

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

Add '-35b' to each side of the equation.
14 + -14b + -35b = -35 + 35b + -35b

Combine like terms: -14b + -35b = -49b
14 + -49b = -35 + 35b + -35b

Combine like terms: 35b + -35b = 0
14 + -49b = -35 + 0
14 + -49b = -35

Add '-14' to each side of the equation.
14 + -14 + -49b = -35 + -14

Combine like terms: 14 + -14 = 0
0 + -49b = -35 + -14
-49b = -35 + -14

Combine like terms: -35 + -14 = -49
-49b = -49

Divide each side by '-49'.
b = 1

Simplifying
b = 1

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