-9=6-(7-b)

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Solution for -9=6-(7-b) equation:


Simplifying
-9 = 6 + -1(7 + -1b)
-9 = 6 + (7 * -1 + -1b * -1)
-9 = 6 + (-7 + 1b)

Combine like terms: 6 + -7 = -1
-9 = -1 + 1b

Solving
-9 = -1 + 1b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-9 + -1b = -1 + 1b + -1b

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

Add '9' to each side of the equation.
-9 + 9 + -1b = -1 + 9

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

Combine like terms: -1 + 9 = 8
-1b = 8

Divide each side by '-1'.
b = -8

Simplifying
b = -8

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