-7=5-(9-b)

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Solution for -7=5-(9-b) equation:


Simplifying
-7 = 5 + -1(9 + -1b)
-7 = 5 + (9 * -1 + -1b * -1)
-7 = 5 + (-9 + 1b)

Combine like terms: 5 + -9 = -4
-7 = -4 + 1b

Solving
-7 = -4 + 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.
-7 + -1b = -4 + 1b + -1b

Combine like terms: 1b + -1b = 0
-7 + -1b = -4 + 0
-7 + -1b = -4

Add '7' to each side of the equation.
-7 + 7 + -1b = -4 + 7

Combine like terms: -7 + 7 = 0
0 + -1b = -4 + 7
-1b = -4 + 7

Combine like terms: -4 + 7 = 3
-1b = 3

Divide each side by '-1'.
b = -3

Simplifying
b = -3

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