-9+8b=-8b-7(7b-8)

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Solution for -9+8b=-8b-7(7b-8) equation:


Simplifying
-9 + 8b = -8b + -7(7b + -8)

Reorder the terms:
-9 + 8b = -8b + -7(-8 + 7b)
-9 + 8b = -8b + (-8 * -7 + 7b * -7)
-9 + 8b = -8b + (56 + -49b)

Reorder the terms:
-9 + 8b = 56 + -8b + -49b

Combine like terms: -8b + -49b = -57b
-9 + 8b = 56 + -57b

Solving
-9 + 8b = 56 + -57b

Solving for variable 'b'.

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

Add '57b' to each side of the equation.
-9 + 8b + 57b = 56 + -57b + 57b

Combine like terms: 8b + 57b = 65b
-9 + 65b = 56 + -57b + 57b

Combine like terms: -57b + 57b = 0
-9 + 65b = 56 + 0
-9 + 65b = 56

Add '9' to each side of the equation.
-9 + 9 + 65b = 56 + 9

Combine like terms: -9 + 9 = 0
0 + 65b = 56 + 9
65b = 56 + 9

Combine like terms: 56 + 9 = 65
65b = 65

Divide each side by '65'.
b = 1

Simplifying
b = 1

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