8-(3+b)=9

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


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

Combine like terms: 8 + -3 = 5
5 + -1b = 9

Solving
5 + -1b = 9

Solving for variable 'b'.

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

Add '-5' to each side of the equation.
5 + -5 + -1b = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -1b = 9 + -5
-1b = 9 + -5

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

Divide each side by '-1'.
b = -4

Simplifying
b = -4

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