9=-(b+-29)+-69

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Solution for 9=-(b+-29)+-69 equation:


Simplifying
9 = -1(b + -29) + -69

Reorder the terms:
9 = -1(-29 + b) + -69
9 = (-29 * -1 + b * -1) + -69
9 = (29 + -1b) + -69

Reorder the terms:
9 = 29 + -69 + -1b

Combine like terms: 29 + -69 = -40
9 = -40 + -1b

Solving
9 = -40 + -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.
9 + b = -40 + -1b + b

Combine like terms: -1b + b = 0
9 + b = -40 + 0
9 + b = -40

Add '-9' to each side of the equation.
9 + -9 + b = -40 + -9

Combine like terms: 9 + -9 = 0
0 + b = -40 + -9
b = -40 + -9

Combine like terms: -40 + -9 = -49
b = -49

Simplifying
b = -49

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