-56=-2(3b-9)-(2+6b)

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Solution for -56=-2(3b-9)-(2+6b) equation:


Simplifying
-56 = -2(3b + -9) + -1(2 + 6b)

Reorder the terms:
-56 = -2(-9 + 3b) + -1(2 + 6b)
-56 = (-9 * -2 + 3b * -2) + -1(2 + 6b)
-56 = (18 + -6b) + -1(2 + 6b)
-56 = 18 + -6b + (2 * -1 + 6b * -1)
-56 = 18 + -6b + (-2 + -6b)

Reorder the terms:
-56 = 18 + -2 + -6b + -6b

Combine like terms: 18 + -2 = 16
-56 = 16 + -6b + -6b

Combine like terms: -6b + -6b = -12b
-56 = 16 + -12b

Solving
-56 = 16 + -12b

Solving for variable 'b'.

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

Add '12b' to each side of the equation.
-56 + 12b = 16 + -12b + 12b

Combine like terms: -12b + 12b = 0
-56 + 12b = 16 + 0
-56 + 12b = 16

Add '56' to each side of the equation.
-56 + 56 + 12b = 16 + 56

Combine like terms: -56 + 56 = 0
0 + 12b = 16 + 56
12b = 16 + 56

Combine like terms: 16 + 56 = 72
12b = 72

Divide each side by '12'.
b = 6

Simplifying
b = 6

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