8-(3+6)=b-9

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Solution for 8-(3+6)=b-9 equation:


Simplifying
8 + -1(3 + 6) = b + -9

Combine like terms: 3 + 6 = 9
8 + -1(9) = b + -9

Multiply -1 * 9
8 + -9 = b + -9

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

Reorder the terms:
-1 = -9 + b

Solving
-1 = -9 + b

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.
-1 + -1b = -9 + b + -1b

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

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

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

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

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

Simplifying
b = 8

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