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

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


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

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

Multiply -9 * 9
8 + -81 = b + -9

Combine like terms: 8 + -81 = -73
-73 = b + -9

Reorder the terms:
-73 = -9 + b

Solving
-73 = -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.
-73 + -1b = -9 + b + -1b

Combine like terms: b + -1b = 0
-73 + -1b = -9 + 0
-73 + -1b = -9

Add '73' to each side of the equation.
-73 + 73 + -1b = -9 + 73

Combine like terms: -73 + 73 = 0
0 + -1b = -9 + 73
-1b = -9 + 73

Combine like terms: -9 + 73 = 64
-1b = 64

Divide each side by '-1'.
b = -64

Simplifying
b = -64

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