51=-2(b+1)-5(b-5)

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Solution for 51=-2(b+1)-5(b-5) equation:


Simplifying
51 = -2(b + 1) + -5(b + -5)

Reorder the terms:
51 = -2(1 + b) + -5(b + -5)
51 = (1 * -2 + b * -2) + -5(b + -5)
51 = (-2 + -2b) + -5(b + -5)

Reorder the terms:
51 = -2 + -2b + -5(-5 + b)
51 = -2 + -2b + (-5 * -5 + b * -5)
51 = -2 + -2b + (25 + -5b)

Reorder the terms:
51 = -2 + 25 + -2b + -5b

Combine like terms: -2 + 25 = 23
51 = 23 + -2b + -5b

Combine like terms: -2b + -5b = -7b
51 = 23 + -7b

Solving
51 = 23 + -7b

Solving for variable 'b'.

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

Add '7b' to each side of the equation.
51 + 7b = 23 + -7b + 7b

Combine like terms: -7b + 7b = 0
51 + 7b = 23 + 0
51 + 7b = 23

Add '-51' to each side of the equation.
51 + -51 + 7b = 23 + -51

Combine like terms: 51 + -51 = 0
0 + 7b = 23 + -51
7b = 23 + -51

Combine like terms: 23 + -51 = -28
7b = -28

Divide each side by '7'.
b = -4

Simplifying
b = -4

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